4. Half of the silver was isolated from a standard solution of silver nitrate by electrolysis for 10 minutes at a current of 2.5 A. How many minutes is required to isolate 99% of silver on the cathode if electrolysis is carried out from the very beginning at a current of 4 A?

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.