117. Solving a chemistry problem
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2.12 For a given galvanic pair of cells:
- identify the anode and cathode;
-write the equation of the processes occurring at the anode and cathode in a working galvanic cell. Write down the equation of the current-generating reaction;
-calculate the EMF of a galvanic cell;
- in what direction will the electrons move in the external circuit during the operation of this galvanic cell.
Ni│Ni2 (0.1 mol/l)║Cd2 (0.001 mol/l)│Cd
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