127. Solving a chemistry problem
Seller: Derkach
Price: 1.19 USD
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Product description
- The solution contains 0.1 g-ion/l Cd(CN)42-, 0.1 g-ion/l Cu(CN)43- and 0.05 mol/l KCN. When passing hydrogen sulfide, a concentration of sulfide ion was created equal to 10-13 g-ion/l. Will precipitation of CU2S and CdS occur.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.