The Freezing Point of a 0 $\degree$ CWhat Is the Actual Van 'T Hoff Factor for This

Multiple Choice

The freezing point of a 0.0925 m solution of ammonium chloride was found to be -0.325 $\degree$ C.What is the actual van 't Hoff factor for this salt at this concentration? (K_f (water) =1.86 $\degree$ C/m)

A) 1.89
B) 1.95
C) 1.86
D) 1.80
E) 1.97