Empirical and Molecular Formulas

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Determine the empirical formulas for compounds with the following percent compositions:

You can find the empirical formula using

Find the EF of polystyrene; 92.3% C, 7.7% H

Calculate the empirical formulas of Saran Polymer: 24.8% C, 2.0% H, 73.1% Cl

The formula with the simplest ratio of atoms is called

What is the first step in finding the empirical formula?

Determine the empirical formulas for compounds with the following percent compositions: 15.8% carbon and 84.2% sulfur

Which is an empirical formula?