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An unknown compound contains only C, H, and O. Combustion of 4.90 g of this compound...

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Chemistry

An unknown compound contains only C, H, and O. Combustion of4.90 g of this compound produced 11.5 g of CO2 and 3.15 g of H2O.what is the empirical formula?

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no of moles of CO2 weight of CO2 molar mass of CO2 115 g 44 gmol 02614 moles from each mole of CO2 will have one mole of C so 02614 moles will have 02614 mole of Carbon weight    See Answer
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