In comparing a 0.25 molality aqueous NaCl solution to a 0.25 molality aqueous CaCl2 solution
A) the NaCl solution has the higher boiling point and the lower freezing point.
B) the CaCl2 solution has the higher boiling point and the lower freezing point.
C) the NaCl solution has the higher boiling point and the CaCl2 solution has the lower freezing point.
D) the CaCl2 solution has the higher boiling point and the NaCl solution has the lower freezing point.
E) both solutions have the same boiling point and the same freezing point.
Answer: B