Question: A binary distillation column is designed by McCabe Thiele method to get a distillate mole fraction of 0.9. The enriching section operating line has an

A binary distillation column is designed by McCabe Thiele method to get a distillate mole fraction of 0.9. The enriching section operating line has an intercept with y-axis at 0.3 mol fraction. The ratio of liquid to vapor molar flow rate in the enriching section is (rounded off to third decimal place).

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