Substance a Has a Greater Molar Mass Than Substance B

Multiple Choice

Substance A has a greater molar mass than substance B.If 50 g of substance A are dissolved in 250 g of water in one beaker,and 50 g of substance B are dissolved in 250 g of water in another beaker,then

A) the vapor pressure of solution A will be lower than the vapor pressure of solution B.
B) the solution of A will freeze at a lower temperature than the solution of B.
C) the two solutions will have the same vapor pressure.
D) the boiling point of solution A will be lower than the boiling point of solution B.
E) the solution of A will have a higher osmotic pressure than the solution of B.