A Solution Is Prepared by Dissolving 15

question 32

Multiple Choice

A solution is prepared by dissolving 15.0 g of NH₃ in 250 g of water. The density of the resulting solution is 0.974 g/mL. The mole fraction of NH₃ in the solution is _ _.

• A) 0.0597
• B) 0.922
• C) 0.940
• D) 0.0640
• E) 16.8

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