A 0100 M K₂SO₄ Solution Has a Freezing Point of -0

Multiple Choice

A 0.100 m K₂SO₄ solution has a freezing point of -0.43 $\degree$ C. What is the van't Hoff factor for this solution? K_f = 1.86 $\degree$ C/m

A) 0.77
B) 1.0
C) 2.3
D) 3.0
E) >3.0