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Gibbs'-Dalton's law of partial pressure

The total pressure of a mixture of gases is made up by the sum of the partial pressures of the components in the mixture as known from Gibbs'-Dalton's Law of Partial Pressures:

• The total pressure exerted by a mixture of gases is the sum of the partial pressures of the individual gases

The total pressure in a mixture of gases can be expressed as:

p = Σp_i (1)

where

p = the pressure of the mixture

p_i = partial pressure of gas i