Mass Transfer
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

Partially miscible ternary system
A binary mixture
A ternary mixture
A pure component

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Mass Transfer
Henry's law states that the

Partial pressure of a component over a solution is proportional to its mole fraction in the liquid
Partial pressure of a component over a solution is proportional to the mole fraction in the vapour
Vapour pressure is equal to the product of the mole fraction and total pressure
Partial pressure is equal to the product of the mole fraction and total pressure

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Mass Transfer
For water-ethanol system, the minimum reflux ratio

Cannot be computed
Is computed from the slope of the upper operating line that is tangent to the equilibrium curve
Is computed from the intercept of the operating line
Is the optimum reflux ratio

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