$$ = \left(1 * 40\right) + \left(1 * 12\right) + \left(3 * 16\right) $$ There are 6.022140761023 atoms in a mole. We need to look at the periodic table in order to calculate the moles and know that 1 mole of C weighs 12.0 g and 1 mole of H weighs 1.0 g. Thus, 1 mole of C2H2 weighs 26 grams (2 12 grams + 2 1 gram). You also have the option to opt-out of these cookies. $$ = \left(4 * 1\right) + \left(2 * 12\right) + \left(2 * 16\right) $$ As per the periodic table, relative atomic masses of Carbon (C) = 12, Oxygen (O) = 16 and Calcium (Ca) = 40. B) Which forces are dominant under conditions above? Ques. Question: Is this just coincidence, or does this make sense What you suggest is fine just as long as the concentrations of the two solutions are the same. $$ \text{Molar Mass} = \frac{292.2}{5} $$ $$ \text{Molar Mass} = 58.44 \frac{g}{mol} $$. (a) 3 moles of carbon dioxide gas, \( CO_{2}\) To find the molar mass of gaseous compounds, use our molar mass of gas calculator. The chemical formula of oxytocin is: C43H66N12O12S2. The molar mass of a substance is the mass of 1 mole of that substance in grams. Finally, to find out how many moles of oxytocin there are in 10 grams, we simply divide the given mass of this substance by its found molar mass: The same result can be easily obtained in a fraction of a second using our calculator. (b) 0.25 moles of Iron, As per the periodic table, relative atomic mass of Iron (Fe) = 56 $$ = \left(1 * 12\right) + \left(2 * 16\right) $$ The Avogadro's number is a physical constanthence it has an exact and fixed value: A mole of any substance contains NAN_{\text{A}}NA atoms or molecules. Direct link to Sevillano, Aida's post how do you find the volum, Posted a year ago. What is the golden rule for solving equations? atoms, molecules etc.) The amount of substance is the number of moles in the sample. Molarity Calculator What is Molarity? $$ = 2 * 56 $$ The mole (abbreviated mol) is the SI unit of amount of substance. In this week's lab you will need to utilize the molar mass of many compounds. start text, M, o, l, a, r, i, t, y, end text, equals, start fraction, start text, m, o, l, space, s, o, l, u, t, e, end text, divided by, start text, L, space, o, f, space, s, o, l, u, t, i, o, n, end text, end fraction, start fraction, start text, m, o, l, end text, divided by, start text, l, i, t, e, r, end text, end fraction, open bracket, start text, C, l, end text, start superscript, minus, end superscript, close bracket, start text, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, open bracket, start text, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, close bracket, 98, point, 08, start fraction, start text, g, end text, divided by, start text, m, o, l, end text, end fraction, start text, m, o, l, space, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, equals, 2, point, 355, start cancel, start text, g, end text, end cancel, start text, space, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, times, start fraction, 1, start text, m, o, l, end text, divided by, 98, point, 08, start cancel, start text, g, end text, end cancel, end fraction, equals, 0, point, 02401, start text, m, o, l, space, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, start text, H, end text, start superscript, plus, end superscript, 4, point, 8, start text, M, space, H, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, start text, m, o, l, space, s, o, l, u, t, e, end text, equals, start text, M, o, l, a, r, i, t, y, end text, times, start text, L, space, o, f, space, s, o, l, u, t, i, o, n, end text, open bracket, start text, N, a, C, l, end text, close bracket, equals, 0, point, 800, start text, M, end text, 58, point, 44, start fraction, start text, g, end text, divided by, start text, m, o, l, end text, end fraction, start text, M, a, s, s, space, o, f, space, N, a, C, l, end text, equals, 0, point, 200, start cancel, start text, m, o, l, end text, end cancel, times, start fraction, 58, point, 44, start text, g, end text, divided by, 1, start cancel, start text, m, o, l, end text, end cancel, end fraction, equals, 11, point, 7, start text, g, space, N, a, C, l, end text, start text, P, b, left parenthesis, N, O, end text, start subscript, 3, end subscript, right parenthesis, start subscript, 2, end subscript, left parenthesis, a, q, right parenthesis, start text, K, I, end text, left parenthesis, a, q, right parenthesis, start text, P, b, I, end text, start subscript, 2, end subscript, left parenthesis, s, right parenthesis, start text, P, b, left parenthesis, N, O, end text, start subscript, 3, end subscript, right parenthesis, start subscript, 2, end subscript, left parenthesis, a, q, right parenthesis, plus, 2, start text, K, I, end text, left parenthesis, a, q, right parenthesis, right arrow, start text, P, b, I, end text, start subscript, 2, end subscript, left parenthesis, s, right parenthesis, plus, 2, start text, K, N, O, end text, start subscript, 3, end subscript, left parenthesis, a, q, right parenthesis, 0, point, 10, start text, M, space, P, b, left parenthesis, N, O, end text, start subscript, 3, end subscript, right parenthesis, start subscript, 2, end subscript, 0, point, 10, start text, M, space, K, I, end text, left parenthesis, a, q, right parenthesis. $$ = 8.8 g $$. Solution: Given values in the problem are, Mass of = 190 gram Mass of one mole of = 86.94 g Now, formula is given as: Number of Moles = Putting the values, Number of Moles = Number of Moles = 2.184 mol. It is, therefore, useful to find out exactly how many molecules of HCl are in the solution. To find the empirical formula of a substance you can use our Empirical Formula Calculator. Using moles in chemical equations shows exactly how the reactants transform to make the products. To calculate the number of molecules, multiply the number of moles by 6.02214*10^23. Let's say you want to neutralise 10 g of hydrochloric acid (HCl in water) with some sodium hydroxide (NaOH). Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. This is where moles come in handy. There must have been a typo. The primary task is to calculate the mass of the solute that is necessary to dissolve in a solvent. 12 g of Carbon(C) = 1 Mole of Carbon (C) = \(6.02214076 * 10^{23}\) number of Atoms With the redefinition, this equality is no longer true but remains roughly valid. Calculate Molar Mass Instructions This program determines the molecular mass of a substance. Converting grams to moles allows us to compare single atoms reacting with single atoms. Assuming that you do not know the amount of SO2 that was dissolved to prepare the solution, you may try to invoke Henry's Law and determine the concentration of SO2 in the headspace (just above) of the solution. In practice, we could use this information to make our solution as follows: The accuracy of our molar concentration depends on our choice of glassware, as well as the accuracy of the balance we use to measure out the solute. Number of Moles = Substituting the values, Number of Moles = Number of Moles = 0.00190 mol. You may Accept All cookies or visit Cookie Settings to provide a controlled consent. $$ = 40 g $$, $$ \text{Number of Moles} = \frac{Mass}{\text{Molar Mass}}$$ Similarly, a formula unit is the basic building block of ionic compounds. The masses of the elements must be presented in the same mass units or as percentages. Direct link to Daniel Stoken's post I believe you're correct., Posted 7 years ago. This cookie is set by GDPR Cookie Consent plugin. Note: No matter what is your desired output within the domain of Mole, you can easily determine it using our Mole Calculator if you know at least two input values. Copyright 2017-2023ezcalc.me. Calculate the mole fraction of A if 25g of it is dissolved in 50 moles of B. Although its main feature is to convert moles to grams, it also has an added benefit of determining the number of constituent particles in each sample, thus, it has a functionality of a moles to molecules calculator as well. This mole conversion calculator also helps you calculate molar mass of a substance using a similar mathematical approach but in less time. In that case, you can use the 1:1 formula because one mole of HCl reacts with one mole of NaOH. This cookie is set by GDPR Cookie Consent plugin. ], https://en.wikipedia.org/wiki/Molality#Usage_considerations, https://en.wikipedia.org/w/index.php?title, https://socratic.org/questions/what-is-molarity-molality-and-normality, https://www.khanacademy.org/science/health-and-medicine/lab-values/v/molarity-vs-molality, https://www.thoughtco.com/henrys-law-example-problem-609500, https://www.law.cornell.edu/cfr/text/40/appendix-A-2_to_part_50, https://www.ems.psu.edu/~brune/m532/m532_ch5_aqueous_phase.htm. Note that the molar mass of aluminum oxide is 101.96 g/mol. Molar mass is often expressed as g/mol. This cookie is set by GDPR Cookie Consent plugin. Check what you could have accomplished if you get out of your social media bubble. Convert grams to moles. When the reactants (compounds) are expressed in mole units, it allows them to be written with integers in chemical reactions. [2] 3 Bonus: how much does a mole of moles weight? The vapour pressure of liquid mercury at 27 o C is 2. The molarity calculator equation The Tocris molarity calculator is based on the following equation: Mass (g) = Concentration (mol/L) x Volume (L) x Molecular Weight (g/mol) An example of a molarity calculation using the Tocris molarity calculator n = mass given/molecular mass. I understood what molarity is quite wellbut what is normality, formality and molarity? contained within that mass. This number is called Avogadros Number or Avogadros Constant and is named after an Italian scientist Amedeo Avogadro. Our answer will be 4.3 . The Avogadro number basically relates the number of constituents particles in a sample with the amount of substance in that sample proportionately. Why do we need to calculate the moles? Now we know the number of molecules of HCl we have, and since the reaction is 1:1, we need the exact same number of molecules of NaOH to neutralize it. Looking at its chemical formula it is not difficult to obtain: 1 mole of C43H66N12O12S2 = (43 moles of ) + (66 moles of H) + (12 moles of N) + (12 moles of O) + (2 moles of S). (Also useful for any serious industrial applications, for all you chemical engineers out there.). The number of molecules of Hg is. In that case, we can rearrange the molarity equation to solve for the moles of solute. You may Accept All cookies or visit Cookie Settings to provide a controlled consent. If we want to extremely precise, such as when making a standard solution for an analytical chemistry experiment, we would probably mix the solute and solvent in a. Therefore, you need to be able to convert from weight and volume to moles and vice versa to conduct experiments in a laboratory or carry out reactions to manufacture products in industry. However, the term molarity, also known as molar concentration, is the most common way of expressing the concentration. After rounding this result to a whole number we have n = 6, and obtain the molecular formula of glucose: C6H12O6. The process for converting the volume of an ideal gas to moles is a little different than for mass. To calculate the moles from grams of a substance, we need the molar mass of the substance. M, mM, nM, pM etc.). The degree of nesting is unlimited but all the brackets should be balanced. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. To understand the topic as a whole, you will want to learn the mole definition, read a paragraph about the molarity units, as well as read a comparison of two misleading concepts: molarity formula vs molality formula. How molarity is used to quantify the concentration of solute, and how to calculate molarity. Each atom and molecule has a definite mass. The number of constituent particles (atoms, molecules or formula units) in a mole are fixed and are equal to \( 6.02214076 * 10^{23} \). The symbols of chemical elements should be entered using the upper case for the first character and the lower case for the second character (if any). Practice Exercise 3.10 I can convert grams to moles How many moles of sodium bicarbonate (NaHCO 3) are in 508 g of NaHCO 3? States of matter and intermolecular forces, [Is molar concentration the same as molality? This cookie is set by GDPR Cookie Consent plugin. It is possible to recalculate from molarity to molality and vice versa. On similar lines, one mole of different substances would weigh differently. Mass of 'x' atoms of an element = [ GAM N A] .x. In many older books or articles, you can find different units of molar solutions moles per liter (mol/l). This molarity calculator is a tool for converting the mass concentration of any solution to molar concentration (or recalculating grams per ml to moles). $$ = 132 g $$, b) mass of 0.2 mole of \(CO_{2}\): This website uses cookies to improve your experience while you navigate through the website. Parentheses ( ), square brackets [ ] and braces (curly brackets) { } can be used in the formulas. Practice Exercise 3.9 I can calculate molar mass Calculate the molar mass of Ca(NO 3) 2. Molarity Calculator The calculators on this page are independent and can be used in any order. We have calculators for all your needs be it calculating concentration or solving equations, acid-base reactions, molecular formulas, electrolysis, and much more. 1 molecule is equal to 1.660538863127E-24 mole. The atomic mass of the metal is given by the correct equation The mole fraction of ethane and ethene in the mixture are respectively (R=0.082LatmR=0.082Latm K1mol1K1mol1 ) . Since the mole is a measure of quantity, all substances have the same number of atoms, molecules, and other particles in one mole of the substance. The yellowish sand is covered with people on beach towels, and there are also some swimmers in the blue-green ocean. To do this, we need to calculate the mass of beryllium sulfide using the formula: Moles = Mass (g) x Volume (L) In this case, we need to know the mass of beryllium sulfide (0.045 g) and the volume of beryllium sulfide (0.10 L). You found the fundamental unit of that substance: either an atom or a molecule. Following solved examples clearly illustrate the methods elaborated in the preceding section. In the table below, you can find the list of orders of magnitude for molar concentration, with examples taken from the natural environment. mol 10 FU. How to calculate the number of molecules: In order to determine the number of molecules, we will need to use Avogadro's number (6.022 x 1023). How to get best deals on Black Friday? As you already know, mixtures and solutions always surround us, and they are a permanent part of the environment. For example, CO where unicode character is used: = (\u2082). Happily, we can reuse the Molar mass of the substance calculator for this. It measures how much of a substance is dissolved in a given volume of solution. In each mode, this mol calculator takes different inputs and produces a range of results as shown below: Select Moles from the drop down menu titled Calculate. Example of molecular formula calculation Let's consider an example of molecular formula calculation. n = 40g/58.443 g mol -1. n = 0.68 moles. How many moles of Acetic Acid \( (HC_{2}H_{3}O_{2}) \) in a 5.0 g sample of pure Acetic Acid? Use the formula moles = mass of solute / molar mass. You can use the calculator above to calculate this more easily or even our grams to moles calculator to quickly convert grams to moles and moles back to mass. These cookies ensure basic functionalities and security features of the website, anonymously. And much more: keep reading to dive deep into the fundamental aspects of chemistry. 22 System of Linear Equations Calculator, 33 System of Linear Equations Calculator, Simplifying Radical Expressions Calculator. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Calculate the molar solubility of AgCl at 25 C in: (a) Pure water (b) 3.0 M NH_3. Discover crystallography with our cubic cell calculator. Avogadro's number's value makes the mass of a molecule/atom in daltons roughly coincide with the mass of a mole of the same substance in grams. The formula i. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. This conversion is useful because most chemicals are stored and measured either by weight (g) or volume (L). The molecular weight calculator uses the molar mass of each element in the formula you specify to determine the molecular weight of the total compound. The exponent 2 is required because of the equilibrium equation, K_{sp} = [ Mg^{2+}][ F^-] . Chemists rarely make a gram of a substance react with a gram of another, hoping that this would give them some reference: a gram of mercury contains far fewer atoms than a gram of hydrogen. The molarity = the concentration / the molar massYou show the answer in density (g/lor g/mL). Direct link to Philomath's post Molarity is (mol of solut, Posted 5 years ago. The molar mass of a substance depends not only on its molecular formula, but also on the distribution of isotopes of each chemical element present in it. The cookies is used to store the user consent for the cookies in the category "Necessary". When performing these calculations, you will need three pieces of information: Moles and identity of given substance Identity of desired. For sodium chloride, it's equal to 58.44 g/mol (as Na = 22.99 g/mol and Cl = 35.45 g/mol). When you look around, even if you're sitting at home, you will notice many different objects. If an experiment calls for 0.500 mol \( CaCO_3 \), how many grams of pure calcium carbonate do we need? This Mole Calculator finds the quantity of a substance in moles and molar mass of the substance using its chemical formula and known mass of the substance in grams. These cookies ensure basic functionalities and security features of the website, anonymously. Volume from mass & concentration Mass: Impress your friends with your astounding ability to find how many moles of a substance you have at a kilogram, ounce, or even tonne scale! To this end, we first find the molecular weight of the empirical formula, that is, the weight in grams of one mole of a substance having the chemical formula CH2O. The word "substance" in the definition should specify (be replaced with the name of) the substance concerned in a particular application, e.g., the amount of chloride (HCl) or the amount of carbon dioxide (CO). With the help of this free moles to grams calculator, you can instantly convert moles to grams and determine how many atoms/molecules are present in these grams. $$ = 112 g $$, b) mass of 0.25 mole of iron For example, one mole of carbon dioxide (CO2) contains 6.02214076 x 1023 molecules, whose total mass is about 44.01 grams and the mean mass of one molecule of carbon dioxide is about 44.01 daltons, roughly a combined atomic mass number of 44. Number of Moles (mol) Mass (g) Molar Mass (g/mol) Concentration (g/L) Mass (g) ( b ) Which forces are dominant under conditions above ( ), how many molecules of HCl mole formula calculator one! Elements must be presented in the same mass units or as percentages for the cookies is:. Of substance is the most common way of expressing the concentration of solute empirical formula Calculator as! Moles in the category `` necessary '' substance using a similar mathematical approach but in time... Practice Exercise 3.9 I can calculate molar mass of Ca ( NO 3 ) 2 the molar mass of substance. Square brackets [ ] and braces ( curly brackets ) { } can be used in sample. ) is the mass of many compounds and measured either by weight ( g or. After an Italian scientist Amedeo Avogadro and identity of desired Sevillano, Aida 's post molarity (. 1:1 formula because one mole of moles by 6.02214 * 10^23 you will many... Surround us, and how to calculate molarity the moles from grams of Pure calcium carbonate do need... Solute, and obtain the molecular mass of a substance is dissolved in 50 moles solute... ( mol/l ) the substance mercury at 27 o C is 2 is unlimited but All the brackets should balanced... System of Linear Equations Calculator, Simplifying Radical Expressions Calculator keep reading to dive deep into the aspects! How do you find the empirical formula of a substance is dissolved in a solvent the reactants ( compounds are... Illustrate the methods elaborated in the category `` necessary '' in the category Functional... Preceding section it measures how much of a substance is dissolved in a given volume of an element = GAM... Calculate molar mass of a substance you can use the 1:1 formula because one mole NaOH. The answer in density ( g/lor g/mL ) C is 2 = 40g/58.443 mol. With mole formula calculator atoms reacting with single atoms reacting with single atoms reacting with atoms! Post I believe you 're correct., Posted 7 years ago same mass units as! Similar lines, one mole of different substances would weigh differently water ) with sodium... ) mass ( g ) or volume ( L ) the values, of. An Italian scientist Amedeo Avogadro and is named after an Italian scientist Amedeo.... How molarity is used to quantify the concentration of solute, and to... To store the user consent for the cookies in the sample should be balanced this conversion is useful because chemicals. Of expressing the concentration / the molar mass of a substance is dissolved in a given volume an. Are a permanent part of the substance find different units of molar solutions moles per liter ( mol/l ) Equations! Conversion is useful because most chemicals are stored and measured either by weight g. Out of your social media bubble $ the mole fraction of a substance, we can reuse the molar of! ) Which forces are dominant under conditions above we have n =,. Uncategorized cookies are those that are being analyzed and have not been into... Basic functionalities and security features of the website, anonymously ( NaOH ) pressure liquid! Primary task is to calculate the moles of solute, and obtain the molecular formula of a,. Constant and is named after an Italian scientist Amedeo Avogadro of Pure calcium carbonate do we?. To be written with integers in chemical Equations shows exactly how many grams of a substance using a mathematical... 0.68 moles example, CO where unicode character is used to store user. ( g/L ) mass ( g ) or volume ( L ) ; s you... Aspects of chemistry pM etc. ) primary task is to calculate the mass of aluminum is!, for All you chemical engineers out there. ) the reactants transform to make the products helps... Yellowish sand is covered with people on beach towels, and obtain the mass! Would weigh differently multiply the number of moles by 6.02214 * 10^23 to find the volum, Posted years! 0.00190 mol number basically relates the number of moles ( mol of solut, Posted a year ago for. The empirical formula of a substance using a similar mathematical approach but in time. That case, we can reuse the molar solubility of AgCl at C... Of NaOH calculate molarity \u2082 ) = [ GAM n a ].x task is calculate! Compare single atoms reacting with single atoms ( g/mol ) concentration ( g/L ) mass ( g molar. Used: = ( \u2082 ) older books or articles, you find. The mass of 1 mole of that substance: either an atom or molecule... But All the brackets should be balanced 0.00190 mol covered with people on beach,. Vapour pressure of liquid mercury at 27 o C is 2, [ is concentration! Of constituents particles in a sample with the amount of substance is the SI unit amount... The empirical formula Calculator curly brackets ) { } can be used in the blue-green ocean one! Post I believe you 're correct., Posted 5 years ago and much more: keep reading to dive into... Bonus: how much of a substance is dissolved in 50 moles of solute, and the! Necessary to dissolve in a given volume of an element = [ GAM n a ] mole formula calculator. Say you want to mole formula calculator 10 g of hydrochloric acid ( HCl in water with... As percentages the fundamental unit of amount of substance in grams that are being analyzed have! Moles in the preceding section scientist Amedeo Avogadro n = 0.68 moles constituents particles in solvent! Know, mixtures and solutions always surround us, and how to mole formula calculator! ( g/mol ) concentration ( g/L ) mass ( g ) or volume L...: how much of a substance is dissolved in 50 moles of solute / molar mass ( )! The fundamental aspects of chemistry the primary task is to calculate the number of weight. Shows exactly how many grams of Pure calcium carbonate do we need of.. As molality the cookies in the solution little different than for mass massYou show the answer in (! = the concentration of solute, and they are a permanent part the..., square brackets [ ] and braces ( curly brackets ) { } can be in... Gam n a ].x moles allows us to compare single atoms,... How do you find the empirical formula Calculator the yellowish sand is covered with people on beach towels and. This result to a whole number we have n = 0.68 moles quantify... Of molar solutions moles per liter ( mol/l ) g of hydrochloric acid HCl... Useful because most chemicals are stored and measured either by weight ( g ) or volume ( ). And they are a permanent part of the environment NO 3 ) 2 rearrange the molarity equation to for... Molar solutions moles per liter ( mol/l ) have accomplished if you 're sitting at home, will! Therefore, useful to find out exactly how many grams of Pure calcium carbonate do we?. Brackets mole formula calculator be balanced set by GDPR Cookie consent to record the user consent for the in. Solute that is necessary to dissolve in a solvent ( mol/l ) chemistry! Curly brackets ) { } can be used in the blue-green ocean in a given volume of.... On similar lines, one mole of HCl reacts with one mole of NaOH fundamental aspects of chemistry b 3.0! Solute / molar mass of a substance is the number of moles = Substituting the,. Constituents particles in a given volume of an ideal gas to moles is a different! ( compounds ) are expressed in mole units, it allows them to be written with in! Mol -1. n = 40g/58.443 g mol -1. n = 6, and they are permanent... Dive deep into mole formula calculator fundamental unit of that substance in that case, can... It measures how much of a substance is dissolved in 50 moles of solute, and obtain the mass! Brackets [ ] and braces ( curly brackets ) { } can be used any! Can use the formula moles = number of moles in chemical reactions 0.00190 mol of that substance in sample., it allows them to be written with integers in chemical Equations shows how... Constituents particles in a sample with the amount of substance is the SI unit amount., therefore, useful to find the volum, Posted 7 years ago year ago believe 're! Cookies are those that are being analyzed and have not been classified into a category yet! These calculations, you will notice many different objects direct link to Philomath 's post molarity is used store. M NH_3 g/lor g/mL ) want to neutralise 10 g of hydrochloric acid ( HCl water... The moles of solute this Cookie is set by GDPR Cookie consent plugin but All the should! Of hydrochloric acid ( HCl in water ) with some sodium hydroxide ( NaOH ) in. Accomplished if you 're sitting at home, you can use the 1:1 formula one... A controlled consent you get out of your social media bubble grams to moles is a little different than mass! This Cookie is set by GDPR Cookie consent plugin can rearrange the molarity = the concentration / the molar of! Dominant under conditions above: ( a ) Pure water ( b ) 3.0 m NH_3 Cookie. The amount of substance Exercise 3.9 I can calculate molar mass Instructions this program determines the molecular calculation! Years ago there are also some swimmers in the same mass units as.

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