The concentration of an aqueous solution of a nonvolatile, monoprotic acid is measured first by free — Solutions Chemistry Question
Question
The concentration of an aqueous solution of a nonvolatile, monoprotic acid is measured first by freezing point depression and then by boiling point elevation. The solution is found to be 0.93 m by freezing point depression and to be 0.82 m by boiling point elevation. Which is the best explanation for this discrepancy?
A.✓ Correct
Ionization of the acid is markedly exothermic.
B.
The solute associates partially into dimers at lower temperatures.
C.
The volume of the solution is greater at higher temperatures.
D.
The boiling point elevation constant for water is smaller than its freezing point depression constant.
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