Henry's Law

Definition

Henry's Law 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.

Related terms

Solubility: The maximum amount of solute that can dissolve in a solvent at a given temperature.

Partial Pressure: The individual pressure contribution each gas makes within a mixture.

Gas-Liquid Equilibrium: The state where no net change occurs in amounts of gaseous and dissolved phases under constant conditions such as temperature or pressure.