Term: mass fraction, \(w\)
https://doi.org/10.1351/goldbook.M03722

Definition:
Mass of a constituent divided by the total mass of all constituents in the mixture.

Related Terms:
1) constituent (http://doi.org/10.1351/goldbook.C01281).

Source: Green Book, 2nd ed., p. 41 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Citation: 'mass fraction, \(w\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03722

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