Henry’s Law:
The solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid.
This relationship is expressed by Henry's Law:
Where:
C is the concentration of the gas in the liquid.
kH is Henry's Law constant, which is specific to each gas-solvent pair.
P is the partial pressure of the gas.
Factors Affecting Gas Solubility:
Pressure: Higher pressure increases gas solubility.
Temperature: Gas solubility typically decreases with increasing temperature.
Nature of Gas and Solvent: Gases with higher solubility in a particular solvent often have greater interactions (e.g., polar gases in polar solvents).