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an 80ppm of KMno4 produced an absorbance of 0.4 in a 1.0cm cuvette. Calculate the molar absorptivity of KMno4

  • chemistry -

    A = ebc
    You have A.
    You want e.
    You have b.
    Convert 80 ppm to mols/L and substitute; solove for e.
    (Note: Remember that 1 ppm = 1 mg/L; therefore, 80 ppm is 80 mg/L. That should make it easy to convert to mols/L KMnO4)

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