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Chemistry / Chemistry 11 / Chapter 18 / Problem 3RC

Chemistry | 11th Edition | ISBN: 9780073402680 | Authors: Raymond Chang

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Consider the following cell diagram:Mg(s)

Chapter 18, Problem 3RC

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QUESTION:

Consider the following cell diagram:

\(\mathrm{Mg}(s)\left|\mathrm{MgSO}_{4}(0.40 M) \| \operatorname{NiSO}_{4}(0.60 M)\right| \mathrm{Ni}(s)\)

Calculate the cell voltage at \(25^{\circ} \mathrm{C}\). How does the cell voltage change when (a) \(\left[\mathrm{Mg}^{2+}\right]\) is decreased by a factor of 4 and (b) \(\left[\mathrm{Ni}^{2+}\right]\) is decreased by a factor of 3?

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QUESTION:

Consider the following cell diagram:

\(\mathrm{Mg}(s)\left|\mathrm{MgSO}_{4}(0.40 M) \| \operatorname{NiSO}_{4}(0.60 M)\right| \mathrm{Ni}(s)\)

Calculate the cell voltage at \(25^{\circ} \mathrm{C}\). How does the cell voltage change when (a) \(\left[\mathrm{Mg}^{2+}\right]\) is decreased by a factor of 4 and (b) \(\left[\mathrm{Ni}^{2+}\right]\) is decreased by a factor of 3?

ANSWER:

Step 1 of 3

(a)

The given cell is as follows;

-The anode

- The cathode.

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