what is Henry's law ?
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SOLUTION
The Henry's law relates the solubility of a gas with external pressure. The solubility is expressed in terms of molar concentration (moles/litre) or mole fraction.
The Henry's law states that, "The partial pressure of the gas [P] is proportional to the mole fraction [X] of the gas in the solution."
It can also be stated as, "Mole fraction of gas in the solution is proportional to the partial pressure of the gas over the solution."
Topics Henry's law is one of the gas laws states that: at a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid.