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Unformatted text preview: ethanol is 44.5 mmHg and that of methanol is 88.7 mmHg. a) Calculate the partial pressures and the total vapour pressure of this solution and the mole fraction of ethanol in the vapour if n ethanol = 1.3 mol and n methanol = 1.25 mol. b) Assume that you can condense the vapour phase alone. Calculate the vapour pressure of the condensed vapour phase and the mole fraction of ethanol in the vapour. 10/5/2011 3 Suggested readings 13.6 Vapour Pressures of Solutions...
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