Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
At 60 °C the vapor pressure of pure water is 149.44 mm Hg and that above an aqueous sucrose, C12H22O12, solution is 119.55 mm Hg. Calculate the mole fraction of water and the mass in grams of sucrose in the solution if the mass of water is 150. g.
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