Concept explainers
Consider three test tubes. Tube A has pure water. Tube B has an aqueous 1.0 m solution of ethanol, C2H5OH. Tube C has an aqueous 1.0 m solution of NaCl. Which of the following statements are true? (Assume that for these solutions
(a) The vapor pressure of the solvent over tube A is greater than the solvent pressure over tube B.
(b) The freezing point of the solution in tube B is higher than the freezing point of the solution in tube A.
(c) The freezing point of the solution in tube B is higher than the freezing point of the solution in tube C.
(d) The boiling point of the solution in tube B is higher than the boiling point of the solution in tube C.
(e) The osmotic pressure of the solution in tube B is greater than the osmotic pressure of the solution in tube C.

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Chapter 10 Solutions
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