Substance fraction

{
  "id": "MLC-T-CHM-011525",
  "term": "Substance fraction",
  "field": "Chemistry",
  "definition": "The ratio of the amount of a specific substance to the total amount of all substances in a mixture. This quantity is dimensionless and expresses the proportion of one component relative to the whole. It is often expressed as a mole fraction, which is the number of moles of a substance divided by the total number of moles in the mixture.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "amount fraction",
    "component",
    "mixture",
    "system"
  ],
  "references": [
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 994 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/substance-fraction/"
}