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    Chemistry A-Level

    Equilibrium concentrations and units

    What Equilibrium concentrations and units means in Chemistry A-Level, as defined for OCR.

    Definition of Equilibrium concentrations and units

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    Reference: OCR

    Each concentration in the expression is the equilibrium concentration in mol dm⁻³, and pure solids and pure liquids are omitted because their concentration is effectively constant.
    OCR · Chemical equilibrium

    Topics that use Equilibrium concentrations and units

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    Using Equilibrium concentrations and units in the exam

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