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Choose the Aqueous Solution with the Lowest Vapour Pressure

Question 63

Multiple Choice

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


A) 0.120 mol kg-1 C2H6O2
B) 0.040 mol kg-1 (NH4) 2SO4
C) 0.060 mol kg-1 K2CO3
D) 0.030 mol kg-1 LiC2H3O2
E) They all have the same vapour pressure.

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