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Froggy Jumps
Froggy Jumps

Empirical & Molecular Formulas Quiz

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Empirical & Molecular Formulas Quiz

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Challenge: empirical vs molecular formulas.

Created by

science rania
science rania
Oman

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Empirical & Molecular Formulas Quiz
 

Froggy Jumps

Empirical & Molecular Formulas QuizOnline version

Challenge: empirical vs molecular formulas.

by science rania
1

A compound has 40.0% C, 6.7% H, and 53.3% O. What is its empirical formula?

2

An empirical formula is CH2O. If the molar mass of the compound is 180 g/mol, what is the molecular formula?

3

A compound contains 52.14% C, 13.12% H, and 34.74% O. What is its empirical formula?

4

What is the molar mass of the empirical formula CH2O?

5

If a substance has molar mass 120 g/mol and empirical formula CH2O, what is the molecular formula?

6

If the empirical formula is CH and the molar mass is 26 g/mol, what is the molecular formula?

7

A compound's empirical formula is C2H4O2 and its molar mass is 120 g/mol. What is the molecular formula?

8

A compound has empirical formula CH2O and molar mass 90 g/mol. What is the molecular formula?

9

What is the molecular formula if empirical CH3 and molar mass 60 g/mol?

10

A compound with empirical formula CH2 and molar mass 84 g/mol has which molecular formula?

 
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