A Small Amount, 6

Multiple Choice

A small amount, 6.78 g, of pentane (C₅H₁₂) is mixed with 100.00 g hexane (C₆H₁₄) . 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) 201 Torr
B) 158 Torr
C) 183 Torr
D) 164 Torr
E) 172 Torr