Part AUse Raoult's law to calculate vapour liquidequilibrium behaviour for a multicomponent mixtureof hydrocarbons.n-pentene i-pentane0.1n-pentane cyclohexaneMole fractionin mixture0.20.60.1(a) Calculate the pressure for which the mixture boils at 40°C.(b) Calculate the boiling temperature at atmospheric pressure.(c) From part (b), calculate the composition of the vapourphase that fomms at the nomal boiling point of the mixture.16M. H. Khoshgoftar Manesh

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Answered: Use Raoult's law to calculate vapour…

Chemistry

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I submitted this question yesterday; the first answer was right, the second was wrong. Please take another look. Thank you! 9.762 g of a non-volatile solute is dissolved in 175.0 g of water.The solute does not react with water nor dissociate in solution.Assume that the resulting solution displays ideal Raoult's law behaviour.At 25°C the vapour pressure of the solution is 23.405 torr.The vapour pressure of pure water at 25°C is 23.756 torr.Calculate the molar mass of the solute (g/mol). answer: 67.0 g/mol -- correct Now suppose, instead, that 9.762 g of a volatile solute is dissolved in 175.0 g of water.This solute also does not react with water nor dissociate in solution.The pure solute displays, at 25°C, a vapour pressure of 2.376 torr.Again, assume an ideal solution.If, at 25°C the vapour pressure of this solution is also 23.405 torr.Calculate the molar mass of this volatile solute. answer: 48.81 g/mol -- wrong Hint: Note that the calculation is greatly simplified if you…
In this table you can find the composition and total vapour pressure of a benzene-toluene solution at 120 ºC:

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Use Raoult's law to calculate vapour liquid quilibrium behaviour for a multicomponent mixture of hydrocarbons. n-pentene i-pentane n-pentane cyclohexane ple fraction mixture 0.1 0.2 0.6 0.1 -) Calculate the pressure for which the mixture boils at 40 iling tomporaturo at atmospheric nressi