A mixture of immiscible liquids (both water-insoluble) is subjected to steam distillation. At 90˚, the vapor pressure of pure water is 526 mm Hg. If the vapor pressure of compound A is 127 mm Hg and that of B is 246 mm Hg at 90˚:
(a) what is the total vapor pressure of the mixture at 90˚?
(b) would this mixture boil at a temperature above or below 90˚?
(c) what would be the effect on the vapor pressure and boiling temperature by doubling the amount of water used?

Question

Quizplus · Accepted Answer

The Answer is (a) 899 mm Hg
(b) below 90˚
(c) no effect

A Mixture of Immiscible Liquids (Both Water-Insoluble) Is Subjected to Steam