Mols (also spelled moles) are units used to measure the amount or quantity of substance. One mol represents Avogadro's number (6.022 × 10^23) particles (atoms, molecules, ions) of a substance.
Related terms
Avogadro's number: The number of particles (atoms, molecules, ions) present in one mol of a substance.
Stoichiometry: The study of quantitative relationships between reactants and products in chemical reactions.
Molar mass: The mass (in grams) of one mol of a substance.