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.
The boiling point of benzene is increased by 0.65 °C when 5.0 g of an unknown organic compound (a nonelectrolyte) is dissolved in 100. g benzene. Calculate the approximate molar mass of the organic compound. (Kb benzene = 2.53 °C kg mol-1.)
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