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    Physics A-Level

    Avogadro constant

    What Avogadro constant means in Physics A-Level, as defined for AQA, OCR.

    Definitions of Avogadro constant

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    Reference: OCR

    The number of particles in one mole, NA = 6.02 × 10²³ mol⁻¹, by which the molar gas constant is divided.
    OCR · Ideal gases (study guide)
    The constant N_A, which relates the molar gas constant and the Boltzmann constant by R = N_A k.
    AQA · Ideal gases (A-level only) (study guide)
    The number of specified particles contained in one mole, approximately 6.02 × 10²³.
    OCR · S.I. units (study guide)
    N_A = 6.02 × 10²³ mol⁻¹, the number of particles per mole.
    OCR · Ideal gases (study guide)

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