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    Chemistry A-Level

    amount of substance

    What amount of substance means in Chemistry A-Level, as defined for OCR.

    Definitions of amount of substance

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    Reference: OCR

    A quantity that counts how many specified particles a sample contains, not how heavy or how large it is.
    OCR · Amount of substance
    The quantity that counts how many specified entities a sample contains, and its unit is the mole.
    OCR · Amount of substance

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