Assignment:
An unknown organic compound is a nonelectrolyte known to be composed of C, N, O, and H. Combustion analysis showed that it contained 67.3% C, 4.62% N, and 6.93% H. A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius. Determine:
a) the empirical formula
b) the molar mass
c) the molecular formula of the unknown compound
Provide complete and step by step solution for the question and show calculations and use formulas.