noun
- the basic unit for measuring the amount of a substance in chemistry, equal to the number of atoms in 12 grams of carbon-12
Usage: chemistry; scientific
Examples
- One mol of water contains approximately 6.022 × 10²³ molecules.
- The chemist calculated that she needed 2.5 mol of sodium chloride for the reaction.
- A mol is also known as Avogadro’s number of particles.
- The molecular weight of glucose is 180 grams per mol.
- Students learn to convert between grams and mol in chemistry class.
- The solution contained 0.1 mol of dissolved salt.