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A company wishes to distill a 0.830 mole fraction ethanol (0.170 mole fraction water) solution. To aid in the distillation process, a 0.950 mole fraction benzene (0.050 mole fraction water) mixture containing fresh benzene and a recovered benzene solution is added.
Now, since we have the number of moles of solute and solvent, we can calculate the molar fraction. ð =J ð»2ð J ð»2ð +J ð¿ð2ðð4 =8.27 IKH8.27 IKH+0.01 IKH=0.9988 10. Calculate the vapor pressure of the solution. Since we have calculated the molar fraction we can now calculate the vapor pressure.