What are the molecular weights (molar mass) of the following compounds

Q: What are the major sources of error in determination of the molar mass?

A: Major sources of errors in determination  of molar mass is as follows: 1) Errors in measurements due…

Q: What is the molecular mass of the compound? molecular mass = g mol-1

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Q: A compound containing carbon and hydrogen contains 4.75 g of carbon and 0.80 g of hydrogen. The…

A: When two or more atoms combine with each other, they will form molecule and those molecules has…

Q: How many atoms are contained in in 3.62 mol O2 ?

A: It is known that 1 mole of a substance is equal to 6.022×1023 atoms. The given molecule is O2. In…

Q: A compound has a molar mass of 120.10 g/mol. What is the molecular formula of this compound if its…

A: The empirical formula of compound is CH2O The empirical formula mass of compound is 60.05 g/mol The…

Q: If sorbic acid has an experimental molar mass of 112 g, what is its molecular formula?

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Q: How many grams would 71,934,010,495 atoms of a substance weigh if it has a molar mass of 23.7889…

A: Number of atoms = 71,934,010,495 atoms  6.02×1023 atoms = 1 mol 71,934,010,495 atoms =…

Q: 68.5 grams of a certain compound contains 5.25 x 1023 molecules.  What is the molar mass of the…

A: 1 mole = 6.022×1023 [ Avogadro's number ] Mass of one mole of molecules of a substance is called its…

Q: A compound of molar mass 135g/mol contains only carbon, hydrogen, bromine, and oxygen. Analysis…

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Q: What is the mass, in g, of 1.00 mol of nitrogen atoms?

A: Molar mass of the Nitrogen gas (N2) = 28 g/mol 1 mole = 6.022×1023 moles

Q: Cortisone consists of molecules, each of which contains 21 atoms of carbon (plus other atoms). The…

A: The given data: The number of carbon atoms present in cortisone = 21 The mass % of the carbon in…

Q: How many hydrogen atoms are in a 1.0 g sample of acetic acid, CH3COOH?  The molar mass of acetic…

A: The number of moles (n) of a substance is obtained as the ratio of the mass (m) of the substance to…

Q: The compound is CH4N2O. If the molecular weight of the compound is 120.12 g/mol, what is the…

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Q: What is the mass of carbon in grams found in one molecule of the compound C7H8O4?

A: The atomic mass of carbon is 12 g. Thus, the mass of one atom of carbon in the molecule is…

Q: If the empirical formula of a compound is SO3 and the molar mass of the molecular formula is 320…

A: Empirical formula = SO3 Molar mass = 320g/mol

Q: A compound of carbon and hydrogen has the composition of 92.25% carbon and 7.75% hydrogen by mass.…

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Q: What is the molecular formula of the molecule that has an empirical formula of CH and a molar mass…

A: Given , Empirical formula = CH Molar mass = 78.0 g/mol

Q: What is the molecular mass of CH¿I? amu

A: Molecular mass is defined as the is the mass of a given molecule. The unit of molecular mass is amu…

Q: How many molecules of a compound are in 25.0 g if the molar mass of the compound is 182.9 g/mol?

A: Interpretation: The number of molecules of a compound are in 25.0 g with the molar mass of the…

Q: What is the molecular formula of a compound that contains only carbon and hydrogen, is 85.6% carbon,…

A: Given, Compound contains only carbon and hydrogen. Mass percent of carbon = 85.6%. Molar mass of…

Q: How many carbon atoms are there in one-half moles of methane molecules?

A: methane = CH4  Since in each molecule of methane we have 1 carbon atoms Hence the number of carbon…

Q: The mass fraction of an element present in a compound can be obtained by comparing the mass of the…

A: Mass fraction of an element is defined as the total mass of the element to the total mass (molar…

Q: What is the difference between molar mass of a compound and empirical formula mass of a compound?…

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Q: In order to convert between the number of molecules of a compound and the number of molecules…

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Q: The element X forms the chloride containing 75.0% Cl, by mass. What is element X?

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Q: How many molecules of MgCl2 are there in 5 moles?

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: A compound with the empirical formula CH2 has a molar mass of 56 g/mol. What is the molecular…

A: Applying formula Molecular formula= (empirical formula)n

Q: How to calculate the theoretical mass percentage of an element in a compound

A: The percentage composition of a compound is the percentage by mass of each element in the compound.

Q: Determine the molar mass of CH₃OH.

A: Each molecule of the compound CH3OH has 1) 1 atom of C 2) 4 atoms of H 3) 1 atom of O

Q: A compound with the empirical formula CH2 has a molar mass of 84 g/mol. What is the molecular…

A: * Emperical Formula is the simplest integer ratio of atom present in a compound . It does not tell…

Q: What is the molecular formula of a compound given the molecular weight (molar mass) of the compound…

A: Empirical formula is the representation of atoms in whole number.

Q: A compound is found to contain 58.80 % xenon 7.166 oxygen, and 34.04% fluorine by mass.The molar…

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Q: A compound containing only hydrogen and carbon is known to be 92.26% C by mass.  If the molecular…

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Q: what are the molecular weights (molar mass) of the following compounds

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Q: C4H7O if the molar mass of the molecular formula is 284.44 g/mole, determine the molecular formula

A: The given molecular formula is C4H7O To determine the molecular formula. Empirical formula mass = 4…

Q: theoretical yield of chemical formulas

A: The theoretical yield is the amount predicted by a stoichiometric calculation based on the number of…

Q: Calculate the molar mass of Ca1NO322.

A: The given chemical formula represents calcium nitrate.

Q: What is the mass, in grams, of 9.49×1024 molecules of methanol (CH3OH)?

A: Please find the attached images for the answer

Q: A compound is found to contain 39.10% carbon, 7.67% hydrogen, 26.11% oxygen, 16.82% phoshorus, and…

A: Given,

Q: What are the similarities in how formula weight and molar mass are calculated?

A: Formula weight :- In chemistry, the sum of the atomic weights of all atoms appearing in a given…

Q: What number of molecules (or formula units) are present in 4.70 g of each of the following…

A: We have to calculate number of molecules in 4.70g of each compounds.

Q: An organic compound has a molar mass of 171.1 g/mol and contains 11.10 % hydrogen atoms by mass. How…

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Q: A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is the molecular…

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Q: What are the molecular weights of the following compounds?(c

A: Molecular weight of the compound is the  sum of the atomic masses of all atoms present in the…

Q: The empirical formula of a compound is C4H9. It's molecular mass is 114g/Mol. What is its molecular…

A: We have to predict the molecular formula.

Q: If a compound has an empirical formula of CH2 and its molecular mass is found to be 42.09 g/mole,…

A: Empirical formula is the simplest whole number ratio of atoms in a compound. Molecular…

Q: Problem attached

A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms…