141. Solving a chemistry problem
By photometry of a solution of iron sulfasolicylate complex, a relative optical density of 0.29 was obtained. The reference solution contained 0.0576 mg of iron in 50.0 ml, the cuvette thickness was 5 cm. Determine the concentration of iron in the solution if it is known that the molar extinction coefficient of the complex was 3000 under these conditions.
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