139. Solving a chemistry problem
Seller: Derkach
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Product description
- A weighed portion of the alloy weighing 0.6578 g was dissolved and a current of 0.20 A was passed through the resulting solution for 20 minutes, as a result of which copper was completely released on the cathode. Determine the percentage of copper in the alloy if the current efficiency was 80%
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.