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Name:___ Moles and Stoichiometry 2016 1. What is the empirical formula of a compound with the molecular formula N 2O4? A) NOB) NO 2 C) N2O D) N2O3Date:___ Mrs. Mansion 11. A compound contains 57%

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How to fill out molecular and empirical formulas

01

List the elements present in the compound along with their respective subscripts indicating the number of atoms.

02

Determine the molar mass of each element present in the compound.

03

Divide the molar mass of each element by the molar mass of the compound to obtain the mole ratio.

04

Simplify the ratio to obtain the empirical formula.

05

Calculate the mass percent composition of each element in the compound.

06

Use the mass percent composition to determine the molecular formula by comparing it to the empirical formula.

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What is molecular and empirical formulas?

Molecular formula shows the actual number of atoms of each element in a compound, while empirical formula shows the simplest whole-number ratio of each type of atom in a compound.

Who is required to file molecular and empirical formulas?

Chemical manufacturers and distributors are typically required to file molecular and empirical formulas for their products.

How to fill out molecular and empirical formulas?

Molecular and empirical formulas can be determined through chemical analysis and calculations based on the composition of a compound.

What is the purpose of molecular and empirical formulas?

The purpose of molecular and empirical formulas is to provide information about the composition and structure of chemical compounds.

What information must be reported on molecular and empirical formulas?

Molecular and empirical formulas should include the types and numbers of atoms present in a compound.

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