Question: Example 4 - Batch Distillation (Ex2.1-7) A semibatch distillation unit is charged with 100 mol of a 60 mol% benzene-40 mol% toluene mixture. At any

Example 4 - Batch Distillation (Ex2.1-7) A semibatch distillation unit is

Example 4 - Batch Distillation (Ex2.1-7) A semibatch distillation unit is charged with 100 mol of a 60 mol% benzene-40 mol% toluene mixture. At any given instant, the benzene mole fraction in the vapor flow rate, y, and the benzene mole fraction in the remaining liquid, x, are related by the equilibrium relation 2.6x y = 1 + 1.6x Derive an equation relating the amount of liquid remaining in the still to the mole fraction of benzene in this liquid

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