117. Solving a chemistry problem

117. Solving a chemistry problem

3.15 For an aqueous solution of a given electrolyte:
-write the equation of the processes that take place on the electrodes during electrolysis;
-calculate how much and what substances will be released on the cathode and anode, if the electrolysis is carried out at a current strength equal to I ... A, for a time t, current output W;
-determine how the anode process will change if the anode is replaced with another one indicated in the table.
Cu(NO3)2, graphite electrodes, W=0.9, I=5A, t=0.4h, copper anode replacement, pH=13.

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