Arrange the Following Aqueous Solutions in Order of Decreasing Freezing

Arrange the following aqueous solutions in order of decreasing freezing point. 0.40 m C₃H₈O₃ 0.15 m KNO₃ 0.20 m Na₂CO₃

A) (highest fp) 0.40 m C₃H₈O₃ > 0.15 m KNO₃ > 0.20 m Na₂CO₃ (lowest fp)
B) (highest fp) 0.40 m C₃H₈O₃ > 0.20 m Na₂CO₃ > 0.15 m KNO₃ (lowest fp)
C) (highest fp) 0.15 m KNO₃ > 0.20 m Na₂CO₃ > 0.40 m C₃H₈O₃ (lowest fp)
D) (highest fp) 0.15 m KNO₃ > 0.40 m C₃H₈O₃ > 0.20 m Na₂CO₃ (lowest fp)
E) (highest fp) 0.20 m Na₂CO₃ > 0.40 m C₃H₈O₃ > 0.15 m KNO₃ (lowest fp)