noun ダウンロード 🔗共有 モル In 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. Examples : "The chemist needed 2.5 mol of sodium chloride for the experiment. " 化学者は実験のために塩化ナトリウムを2.5モル必要とした。 amount substance unit chemistry physics science element AIとチャット語彙ゲーム読解練習