Combustion of a 400 g sample of an unknown compound cxhyoz, Ask an Expert

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Combustion of a 4.00 g sample of an unknown compound CxHyOz affords 2.42 grams of water and 5.87 g of carbon dioxide. A)Calculate the empirical formula of the compound (CxHyOz). B) If the 4.00g sample corresponds to 0.0666 moles of a compound, what is the molecular formula of the unknown molecule (CxHyOz)

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