136. Solving a chemistry problem
Seller: Derkach
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Product description
- To determine copper in a non-ferrous alloy from a sample of 0.325 g after dissolution and treatment with ammonia, 250 ml of a colored solution was obtained, the optical density of which in a cuvette with a layer thickness of 2 cm was 0.254. Determine the copper content in the alloy (in %) if the molar absorption coefficient of copper ammonia is 423.
Additional information
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