Relative molecular mass

{
  "id": "MLC-T-CHM-010151",
  "term": "Relative molecular mass",
  "field": "Chemistry",
  "definition": "The ratio of the average mass of a molecule of a substance to 1/12 of the mass of an atom of carbon-12. This dimensionless quantity is often referred to as molecular weight and represents the sum of the relative atomic masses of all atoms in a molecule. It is a fundamental property used in stoichiometry and chemical calculations.",
  "synonyms": [
    "molecular weight",
    "relative molar mass"
  ],
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "relative molar mass",
    "unified atomic mass unit"
  ],
  "references": [
    "Green Book, 2nd ed., p. 41 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 990 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/relative-molecular-mass/"
}