4 g of a hydrocarbon on complete combustion gave 12.571 g of Co, and 5.143 g of water. What is the empirical formula of the hydrocarbon?

Four grams of hydrocarbon (C_(x)H_(y)) on complete combustion gave 12grams of CO_(2) . What is the empirical formula of the hydrocarbon ? (C = 12, H = 1)

four grams of hydrocarbon (C_(x)H_(y)) on complete combustion gave 12grams of CO_(2) . What is the empirical formula of the hydrocarbon ? (C=12 , H=1)

A gaseous hydrocarbon on complete combustion gives 3.38 g of CO_(2) and 0.690 g of H_(2)O and no other product. The empirical formula of the hydrocarbon is