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    Chemistry GCSE

    Relative formula mass from relative atomic masses

    What Relative formula mass from relative atomic masses means in Chemistry GCSE, as defined for AQA.

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    Found by adding relative atomic masses for every atom in the formula; for a monatomic element Ar is used, and for a compound or molecular element the Ar values are added for every atom.
    AQA · Moles (HT only) (study guide)

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