Temperature/ Composition phase diagrams are important aids in the understanding

Question

Temperature/ Composition phase diagrams are important aids in the understanding of distillation. Answer these questions after you have read Zubrick's chapter on the theory of distillation. 11. Consider an 80:20 mixture of A and B. What would be the boiling point of this mixture? What would be the composition of the vapors just above the boiling liquid? What would be the composition of the initial distillate collected from a fractional distillation of this mixture if the apparatus had a separation efficiency of three theoretical plates? How many theoretical plates would be needed in the distillation to be a We to separate pure B from this mixture? Below are some real student data for Distillations of 40 mL of mixtures of cydohexene (bp 81 degree C) and toluene (bp 111 degree C) performed in this laboratory in 1997.

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Temperature/ Composition phase diagrams are important aids in the understanding

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