Henry's Law : It states that at constant temperature the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas present above the surface of the liquid or solution.
Most common form of Henry's law :
It states that the partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas \((x)\) in the solution.
\(\mathrm{P} a \mathrm{x}_{(g)}\) or \(\mathrm{P}=\mathrm{K}_{\mathrm{H}} \mathrm{x}_{(g)}, \mathrm{K}_{\mathrm{H}}=\) Henry's law constant
(Out of these two only one statement needs to be written).
Application of Henry's law:
1. Packaging of soft drink bottles.
2. Scuba divers breathing apparatus.
3. Mountaineering at higher altitude.
