100. Solving a chemistry problem
Seller: Derkach
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Product description
- Calculate the iron content in 50 ml of the analyzed solution according to the results of photometry using the addition method. The optical density of the test solution prepared from 5 ml of the analyzed solution is 0.45; the value of the optical density of the same test solution with the addition of 100 μg of iron, measured under the same conditions, is 0.85.
Additional information
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