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97. Solving a chemistry problem
Uploaded:
10.09.2022
Content: 4.rar 13,12 kB
Content: 4.rar 13,12 kB
Product description
4. Place 10 ml of waste water into two 100 ml volumetric flasks. 10 ml of CuSO4 standard solution (T= 0.00100 g/ml) was added to one flask. Reagents for copper were added to both flasks and diluted to the mark with water. When photometry received optical density Dx= 0.24 and Dx st= 0.38. Determine the concentration of copper (g/l) in waste water.
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