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    Combined Science GCSE

    Particle number and amount of substance

    What Particle number and amount of substance means in Combined Science GCSE, as defined for AQA.

    Definition of Particle number and amount of substance

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    Reference: AQA

    The number of particles is the number of moles multiplied by 6.02 × 10²³, and the number of moles is the number of particles divided by 6.02 × 10²³.
    AQA · Moles (HT only) (study guide)

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