Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Benzol
Butyl acetate
Furfural
Hexane

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Mass Transfer
Dew point of an air-water vapor mixture

Decreases with decrease in pressure
At constant humidity & total pressure is fixed
Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve
All of the listed here

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