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Twice as Much Pentane (C5H12) Is Mixed with Hexane (C6H14)

Question 156

Multiple Choice

Twice as much pentane (C5H12) is mixed with hexane (C6H14) by mass. Calculate the vapour pressure of the resulting solution. The vapour pressures of pure pentane and hexane are 425 Torr and 151 Torr, respectively. Assume ideal behaviour.


A) 386 Torr
B) 300 Torr
C) 311 Torr
D) 253 Torr
E) 344 Torr

Correct Answer:

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