Pentane (C5H12) and hexane (C6H14) form an ideal solution, At 25C the vapor pressures of pentane and hexane are 511 and 150 torr, respectively. A solution is prepared by mixing 25 mL pentane (density, 0.63 g/mL) with 45 mL hexane (density, 0.66 g/mL).
(a) What is the vapor pressure of the resulting solution?
(b) What is the composition by mole fraction of pentane in the vapor that is in equilibrium with this solution?
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