122. Solving a chemistry problem
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Product description
Calculate the percentage of copper in the ore, if copper was transferred from a sample of 0.6215 g of ore to a solution in the form of Cu2, when KI was added to this solution, I2 was released, for the titration of which 18.23 ml of Na2S2O3 solution was used (TNa2S2O3/Cu = 0.006208).
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.