# Problem: A solution is made by mixing 50.0 g acetone (CH 3COCH3) and 50.0 g methanol (CH3OH). What is the vapor pressure of this solution at 25˚C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 25˚C the vapor pressures of pure acetone and pure methanol are 271 and 143 torr, respectively.) The actual vapor pressure of this solution is 161 torr. Explain any discrepancies.

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A solution is made by mixing 50.0 g acetone (CH 3COCH3) and 50.0 g methanol (CH3OH). What is the vapor pressure of this solution at 25˚C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 25˚C the vapor pressures of pure acetone and pure methanol are 271 and 143 torr, respectively.) The actual vapor pressure of this solution is 161 torr. Explain any discrepancies.