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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