Question: what is the empirical formula of a compound composed of 54.53 c 9.15 h and 36.32 o?
Answer: 1 Expert Answer Divide the percent mass by the atomic mall of each element to have 4.54 moles C to 9.08 moles H to 2.27 moles O. Divide these by the smallest to have the ratoi of 2 C to 4 H to 1 O. Thus the empirical formula is C2H4O.