Henry's Law

A formula for Henry's Law is:

:

\ e^P = e^{kC}

where:

''P'' = the partial pressure of the gaseous Solute above the Solution

''C'' = the Concentration of the dissolved gas in Mol / L

''k'' = the Henry's Law Constant , which has units such as J/mol,L·atm/mol or Pa·m^3/mol.

Taking the Natural Logarithm of the formula, gives us the more commonly used formula:

:

\ P = kC

This version is used to showcase the effectiveness of the law for dilute solutions of gases that don't react with the solvent. Some values for ''k'' include:

O₂ : 4.34×10⁴ L·atm/mol

CO₂ : 1.64×10³ L·atm/mol

H₂ : 7.04×10⁴ L·atm/mol

when these gases are dissolved in Water at 299 Kelvin s. Note that the solubility coefficient varies with solvent and temperature.

Henry's law in Geophysics

A version of Henry's law applies to the solubility of a Noble Gas in contact with Silicate melt. One equation used is
:

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Information About

Henry's Law