131.Solving a chemistry problem

131.Solving a chemistry problem

3. A solution containing 7.35 ppm KMnO4 had a transmittance of 0.415 in a 1.00 cm cell at a wavelength of 520 nm. Calculate the molar absorptivity of KMnO4 at 520 nm.
Answer 1.80×104 lmol-1cm-1

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