1. Structure 1 — Models of the Particulate Nature of Matter

Empirical And Molecular Formulae — Quiz

Test your understanding of empirical and molecular formulae with 5 practice questions.

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Practice Questions

Question 1

What is the empirical formula of a compound with molecular formula $C_6H_{12}O_6$?

Question 2

Which statement best describes an empirical formula?

Question 3

A compound contains $40.0\%$ carbon, $6.7\%$ hydrogen, and $53.3\%$ oxygen by mass. What is its empirical formula?

Question 4

What is the molecular formula of a compound if its empirical formula is $CH_2O$ and its molar mass is $180\,g\,mol^{-1}$?

Question 5

Why can two different compounds have the same empirical formula?