Benzene as well as toluene form nearly ideal solutions at t, Ask an Expert

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Benzene as well as toluene form nearly ideal solutions. At T = 300 K the vapor pressures of the pure liquids are 103 and 32torr.

a) A liquid mixture is composed of three mol toluene and two mol benzene. If the pressure over the mixture at 300k is slowly reduced, at what pressure does the first vapor form?

b) Explain what is the composition of the first trace of vapor formed?

c) If the pressure is reduced further, define what is the composition of the last trace of liquid?

d) Explain at what pressure does the last trace of liquid disappear?

e) Explain what will be the pressure the composition of the liquid and the composition of the vapor when one mole of the mixture has been vaporized?

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Category:- Chemistry
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