Suppose that you want to construct a galvanic cell from nickel and cadmium for a chemistry project. You take all the precautions necessary to deal with a toxic heavy metal like cadmium, and you decide to use a 0.01 M solution of cadmium nitrate as one of the electrolytes. If you need a cell potential of 0.17 V for this system, what concentration of NiCl2 should you use? (For a follow-up web research project, compare this nickel-cadmium system with the one that is used in a commercial Ni-Cd battery.)

Question

Suppose that you want to construct a galvanic cell from nickel and cadmium for a chemistry project.
You take all the precautions necessary to deal with a toxic heavy metal like cadmium, and you
decide to use a 0.01 M solution of cadmium nitrate as one of the electrolytes. If you need a cell
potential of 0.17 V for this system, what concentration of NiCl2 should you use? (For a follow-up
web research project, compare this nickel-cadmium system with the one that is used in a
commercial Ni-Cd battery.)

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