Topic 04Chemistry

S1.4 Counting Particles by Mass: The Mole

Discover how the mole links the invisible world of atoms to measurable masses, enabling quantitative chemistry calculations including moles, molar mass, empirical formulas, concentration, and gas volumes.

Practice questions

The Mole — Chemistry's Counting UnitSign up

The Mole and Avogadro's Constant · Relative Atomic Mass and Molar Mass

35 min

From Ratios to FormulasSign up

Empirical & Molecular Formulas

30 min

Moles in Solution and in GasesSign up

Molar Concentration · Avogadro's Law

30 min