Mass Transfer
Which of the following is not a continuous leaching equipment?

Kennedy extractor
Hydrocyclones
Bollman extractor
Pachuka tank

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Mass Transfer
Henry's law states that the

Vapour pressure is equal to the product of the mole fraction and total pressure
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
Partial pressure is equal to the product of the mole fraction and total pressure

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