21. Solving a chemistry problem
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2. Acetone, NH4CN5 solution, water were added to 1 ml of solution containing Fe(III), up to 100
ml. Colorimetry was carried out in a cuvette 2 cm long. At 480 nm, the optical density of the colored solution was 0.75, and the molar light absorption coefficient was 1400. Calculate the concentration of Fe(III) in the analyzed solution.
ml. Colorimetry was carried out in a cuvette 2 cm long. At 480 nm, the optical density of the colored solution was 0.75, and the molar light absorption coefficient was 1400. Calculate the concentration of Fe(III) in the analyzed solution.
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