100. Solving a chemistry problem

100. Solving a chemistry problem

4. Determine the molar absorption coefficient of potassium chromate, if the relative optical density is 2.65 * 10-3 M potassium chromate solution, measured with respect to a reference solution containing 1 * 10-3 M of the analyte, at λ = 372 nm and the thickness of the absorbing layer 2.3 mm, equal to 1.38.

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