Choose the Aqueous Solution with the Highest Vapour Pressure

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

A) 0.50 mol kg^-1 C₃H₈O₃
B) 0.50 mol kg^-1 C₂H₆O₂
C) 0.50 mol kg^-1 C₆H₁₂O6
D) 0.50 mol kg^-1 C₁₂H₂₂O₁₁
E) They all have about the same vapour pressure.

Correct Answer:

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