ideal mixture

https://doi.org/10.1351/goldbook.I02938
A mixture of substances B, C, ... is called an ideal mixture when aB=xB, aC=xC, ... or fB=1, fC=1 where aB and fB are the relative activity and the activity coefficient, respectively, of a substance B in a liquid or solid mixture.
Source:
PAC, 1994, 66, 533. (Standard quantities in chemical thermodynamics. Fugacities, activities and equilibrium constants for pure and mixed phases (IUPAC Recommendations 1994)) on page 543 [Terms] [Paper]
Citation: 'ideal mixture' 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.I02938 RIS BibTex EndNote
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Last revised: February 24, 2014