If a 236-G Sample of a Nonelectrolyte Is Dissolved in 136

If a 23.6-g sample of a nonelectrolyte is dissolved in 136.0 g of water,the resulting solution will freeze at -0.85°C.What is the molar mass of the nonelectrolyte? (K_f for water is 1.858°C/m.)

A) 78 g/mol
B) 0.38 g/mol
C) 870 g/mol
D) 270 g/mol
E) 370 g/mol