What is the vapor pressure (mm Hg) of water at above a solution prepared by dissolving
of urea,CO(NH2) 2,in
of water? The vapor pressure of pure water at 25 °C is 23.8 mm Hg.
A) 22
B) 2.9
C) 0.42
D) 27
E) 0.91
Correct Answer:
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