8) When a 0.452g sample of a compound containing only carbon, hydrogen, and nitrogen was allowed to burn in excess oxygen, it yields 0.662gCO2 and 0.542gH2O. The nitrogen content of a 0.354g sample is converted to 0.165g. What is the empirical formula and molecular formula of the compound knowing that its molecular weight is 60.1g/mol ? 9) A pigment sample contains 65.05% chromium (III) oxide by mass. What is the maximum mass of chromium in grams that can be recovered from 12.0kg of this pigment? 10) Complete the table below