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    Chemistry A-Level

    factor of ten per unit

    What factor of ten per unit means in Chemistry A-Level, as defined for AQA.

    Definition of factor of ten per unit

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    Reference: AQA

    One whole pH unit corresponds to a factor of ten in hydrogen ion concentration, because the logarithm is to base 10.
    AQA · Definition and determination of pH (A-level only) (study guide)

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