Problem: Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is CH2O.An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 7.50 g of this compound produced 11.0 g of carbon dioxide and 4.50 g of water.

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Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is CH2O.


An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 7.50 g of this compound produced 11.0 g of carbon dioxide and 4.50 g of water.

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