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    Chemistry A-Level

    Weighted calculation of relative atomic mass

    What Weighted calculation of relative atomic mass means in Chemistry A-Level, as defined for OCR.

    Definition of Weighted calculation of relative atomic mass

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    Reference: OCR

    Each isotope's relative isotopic mass is multiplied by its relative abundance, the products are added and the total is divided by the total abundance.
    OCR · Atomic structure and isotopes

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