please answer it correctly

A 17.21 gram sample of an organic compound containing C,H and O is analyzed by combustion analysis and 16.83 grams of CO2 and 3,445 grams of H2O are produced. In a separate experiment, the molecular weight is found to be 90.04 amu. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C,H,O empirical formula = molecular formula =