When 16.2 g of an organic compound known to be 62.04% C, 10.4% H, and 27.55% O by mass is dissolved in 657.9 g of water, the freezing point is -0.394 "C. The normal freezing point of water is 0'C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Ky values for various solvents are given in the colligative constants table. molecular formula: CHO