The Osmotic Pressure of a 0 $\circ$ C Is 0

Multiple Choice

The osmotic pressure of a 0.010 M MgSO₄ solution at 25 ^$\circ$ C is 0.318 atm. Calculate i, the van't Hoff factor, for this MgSO₄ solution.

A) 0.013
B) 1.3
C) 1.5
D) 2.0
E) 76.8