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1. A compound contains only carbon, hydrogen and oxygen. It was found to contain 13.1% hydrogen...

1. A compound contains only carbon, hydrogen and oxygen. It was found to contain 13.1% hydrogen by mass and 34.7 % oxygen by mass.

a. Calculate the mass percent of carbon in the compound.

b. Assume 100 g of sample and calculate the number of moles of carbon, hydrogen and oxygen in the sample.

c. Determine the empirical formula of the compound.

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