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A compound is composed of only C, H and O. The combustion of a 0.519-g sample of the compound yields 1.24 g of CO2 (MW = 44.01) and 0.255 g of H2O (MW = 18.02). What is the empirical formula of the compound? (a) C2H6O2 (b) C6H6O (c) C3H3O (d) CH3O (e) C2H6O5