Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

All of these
Ammonia in water
Benzol present in coke oven gas by wash oil
SO₂ in alkaline solution

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Mass Transfer
Henry's law states that the

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

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