The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?

Topics of this quiz include: Vapour liquid equilibria, idealities concepts, flash vapourization methods, differential distillation methods, distillation column operation, azeotropic mixture rectification, reflux ratio and its cost variance, various distillation types anf flash vaporization laws.

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