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The mole and the Avogadro constant



Amount of Substance

AQA Content

using the Avogadro constant
using mass of substance, Mr, and amount in moles
using concentration, volume and amount of substance in a solution.
Students will not be expected to recall the value of the Avogadro constant.

Specification Notes

The Avogadro constant as the number of particles in a mole.
The mole as applied to electrons, atoms, molecules, ions, formulas and equations.
The concentration of a substance in solution, measured in mol dm–3.



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