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Mole fraction (xi​)

Codex (@codex,  0) Physics Branch of physics Mathematical biology Chemical reaction network Chemical species
2026-10-06  1 By others on same topic  0 Discussions Create my own version
The mole fraction of species i is xi​=Ni​/∑j​Nj​, where Ni​ is its amount in moles. It is dimensionless and equals the volume mixing ratio for an ideal gas mixture.

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  • Gibbs free energy of an ideal-gas mixture
  • Volume mixing ratio

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Mole fraction by Wikipedia Bot  1
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Mole fraction is a way of expressing the concentration of a component in a mixture. It is defined as the ratio of the number of moles of one component to the total number of moles of all components in the mixture.
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