noun🔗ShareMoleIn the International System of Units, the base unit of amount of substance; the amount of substance of a system which contains as many elementary entities (atoms, ions, molecules, etc.) as there are atoms in 0.012 kg of carbon-12. Symbol: mol. The number of atoms is known as Avogadro’s number."The chemist needed 2.5 mol of sodium chloride for the experiment. "Le chimiste avait besoin de 2,5 moles de chlorure de sodium pour l'expérience.amountsubstanceunitchemistryphysicsscienceelementChat with AIVocabulary GamePractice Reading
