Given a solution with a van't Hoff factor of 3, a freezing point constant of 2.0 °C/m, and a molality of 1.5 m, calculate the freezing point of the solution if the pure solvent's freezing point is 5.0 °C.

• A. 1.0 °C
• B. 5.0 °C
• C. -4.0 °C
• D. 0.50 °C

Answer: (C)