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39. Solving a chemistry problem
Uploaded:
04.03.2023
Content: 4.rar 19,99 kB
Content: 4.rar 19,99 kB
Product description
4. A 0.5 g sample of metal was dissolved, and after oxidation of the manganese contained in it to MnO4-, 100 ml of a solution were obtained. A 0.01 N solution of potassium permanganate was used as a standard. When compared in a colorimeter, the color intensity of the standard and test solutions turned out to be equal with a layer thickness of 5 and 8.49 cm, respectively. Determine the manganese content in the metal in%
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