99. Solving a chemistry problem
Seller: Derkach
Price: 1.20 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
- Equal volumes of wastewater V containing copper were poured into two 100 ml volumetric flasks. The required amounts of ammonia and solutions of rubeonic acid were also introduced there. 10.00 ml of a standard solution of copper sulfate (T CuSO4/Cu = 0.001) was added to one of the flasks, the contents of both flasks were brought to the mark. After filtration, the solutions were photometered to obtain the optical density values Dx and Dx st. determine the concentration of copper in wastewater (g/l) using the following data:
Options 4
V,ml 40.00
Dx 0.40
Dх st 0.54
Additional information
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