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Counting particles in moles

Counting particles in moles

Atoms, molecules and ions are far too small to count individually, so chemists measure them in large fixed groups called moles. A mole is like a dozen, except that it represents 6.02×10236.02 \times 10^{23}6.02×1023 particles instead of 121212.

3.1.5 The mole and the Avogadro constant Lesson

  1. GCSE
  2. /Chemistry
  3. /3.1.5 The mole and the Avogadro constant

Step-by-step lessons on OCR GCSE Chemistry 3.1.5 The mole and the Avogadro constant. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons