Chemistry Homework Help

 8. Ritonavir, with trade name Norvir (Abbott Laboratories), is an antiretroviral drug from the protease inhibitor class used to treat HIV infection and AIDS. Its structure is composed of 61.637% C, 6.724% H, 11.660% N, 11.097% O and the remainder is sulfur (S). Determine the empirical formula for Norvir TM and its molecular formula given that its molar mass is 720.946 g/mol.