This problem involves a molecular compound so both empirical and molecular formulas are required. A compound composed of Carbon, Hydrogen, and Chlorine is analyzed. It is found to contain 0.5311 g of C, 0.02682 g of H, and 1.254 g Cl. What is the empirical formula of the compound? If the compound is known to have 10 C atoms in it, what is the molecular formula of the compound?