Convert each of the potentials. The silver-silver chloride and calomel reference electrodes are saturated with resulting in cell potentials of + 0.197 V and + 0.241 V with respect to the standard hydrogen electrode (S. H. E.), respectively. If an electrode has a potential of V with respect to a standard hydrogen electrode (S. H. E.), what is the potential with respect to a silver-silver chloride electrode?

Question

Chemistry

Ben Sellers

2 February, 11:21

Convert each of the potentials. The silver-silver chloride and calomel reference electrodes are saturated with resulting in cell potentials of + 0.197 V and + 0.241 V with respect to the standard hydrogen electrode (S. H. E.), respectively. If an electrode has a potential of V with respect to a standard hydrogen electrode (S. H. E.), what is the potential with respect to a silver-silver chloride electrode?

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Gracelyn Crane · Answer 1

-0.044 V

Explanation:

The overall electrode potential is usually estimated by subtracting the potential of the reference electrode from the potential of the system in question. In the given problem, the standard electrode potential of silver-silver chloride with respect to the standard hydrogen electrode is + 0.197 V. In addition, the potential of the calomel reference electrode with respect to the standard hydrogen electrode is + 0.241 V. Using the data above, the potential of with respect to silver-silver chloride is equivalent to 0.197-0.241 = - 0.044 V.