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Determining empirical formula for compound based on element mass

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A compound contains carbon, hydrogen, and oxygen. A 10 g sample is analyzed for carbon and hydrogen. It contains 1.315 g hydrogen and 5.213 g carbon. What is the empirical formula for this compound?

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The empirical formula of a compound tells us the types of atoms present in a compound as well as the simplest whole-number ratio of the different types of atoms.

So we have ...

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