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• 17:05, 22 January 2024 Helpful talk contribs created page Dimenionless fractions (Created page with " <!-- Used to express... '''concentrations''', particularly in chemistry One problem is that, while [https://en.wikipedia.org/wiki/Volume_fraction volume fraction], [https://en.wikipedia.org/wiki/Mass_fraction_(chemistry) mass fraction], and [https://en.wikipedia.org/wiki/Mole_fraction mole fraction] are all potentially useful, they are not the same - e.g. mass and volume may be quite different for gases So even while the units like kg/kg or m³/m<sup...")