Avogadro constant

Definition

The number of specified particles per mole: $6.02 \times 10^{23}\ \text{mol}^{-1}$ .

Used by AQA and Edexcel

Specification 5.3.2.1 · Paper 3

Specification Calculations involving masses · Paper 3, Paper 4

The number of particles per mole, represented by $N_A$ . For these GCSE calculations, use .

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A

N_A = 6.02 \times 10^{23}\ \text{mol}^{-1}

Each mole contains the Avogadro constant number of particles.