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Choose the aqueous solution with the highest vapor pressure. These are all solutions of nonvolatile solutes...

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

0.50 m C4H10O4

0.50 m C2H6O2

0.50 m C11H24O11

0.50 m C5H12O5

They all have about the same vapor pressure.

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