Chemistry

What is the concentration of an unknown potassium dichromate solution with an absorbance of 1.603 at 345nm? (The path length is 1 cm, molar absorptivity constant = 0.412 A.mol-1.cm-1 )

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  1. A = abc
    You know A = 1.603
    You know a = 0.412
    You know b = 1 cm
    Solve for c.

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