992 Grams of a Compound with a Molar Mass of 124.0

9.92 grams of a compound with a molar mass of 124.0 grams/mole when dissolved in 150.0 grams of water gave a solution that had a freezing point of -2.69°C. Calculate the experimental value of the van't Hoff factor. K_f = 1.86 °C m^-1.

A) 1.21
B) 1.45
C) 1.54
D) 2.69
E) 2.71