1. If 4.27 grams of sucrose, C12H22O11, are dissolved in 15.2 grams of water, what will be the boiling point of the resulting solution? (Kb for water = 0.512 C/m; molar mass sucrose=342.3 g/mol)
2. What is the freezing point of an aqueous 1.00 m NaCl solution? (Kf = -1.86 C/m) (Assume complete dissociation of the salt.)
3. A solution made by dissolving 9.81 g of a nonvolatile nonelectrolyte in 90.0 g of water boiled at 100.37 C at 760 mm Hg. What is the approximate molecular weight of the substance? (For water, Kb = 0.51 C/m)
4. What is the boiling point of a 0.33 m solution of a nonvolatile solute in benzene? Kb of benzene=2.53 C/m; BP of pure benzene = 80.1 C
5. What is the freezing point of the 0.33 m solution of a nonvolatile nonelectrolyte solute in benzene described in Question 1? (Kf=5.12 C/m; Freezing point of benzene = 5.5 C )
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