128. Solving a chemistry problem
Seller: Derkach
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Product description
- How many moles of NH4SCN must be added to 1 liter of 5*10-5 M Hg(NO3)2 to reduce the concentration of Hg2 to 10-11 g-ion/l due to the formation of Hg(SCN)42- complex ions?
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.