Choose the Aqueous Solution with the Lowest Vapor Pressure

Multiple Choice

Choose the aqueous solution with the lowest vapor pressure.These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable.

A) 0.120 m C₂H₆O₂
B) 0.040 m (NH₄) ₂SO₄
C) 0.060 m Li₂CO₃
D) 0.030 m RbC₂H₃O₂
E) They all have the same vapor pressure.