42. Решение задачи по химии №004 261

28. Optical density of a solution containing a colored complex of nickel with dimethylglyoxime. equals 0.46. Determine the mass and mass concentration of nickel in 100 ml of the test solution based on the data:
γ, μg/ml 0.8 1.6 2.4 3.2 4.0
D 0.18 0.36 0.54 0.72 0.90.

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