(a) Testosterone has a molar mass of 288.4 g/mol and is composed of 79.17
% C and 9.72 % H; the remaining % is O. What are the empirical and
molecular formulae of testosterone?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound