Problem: What are the half-reaction for the following reference electrodes? Include physical states. (a) The silver-silver chloride electrode(b) The saturated calomel electrode.(c) What is the voltage of the cell: silver-silver chloride electrode || saturated calomel electrode given that the potential for the Ag|AgCl electrode in a saturated KCl solution is +0.197 V and the potential for a saturated calomel electrode is +0.241 V? 

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We are being asked to determine the reference electrodes and the voltage of the cell.


Recall that a reference electrode is an electrode with a stable and known potential.


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Problem Details

What are the half-reaction for the following reference electrodes? Include physical states. 

(a) The silver-silver chloride electrode

(b) The saturated calomel electrode.

(c) What is the voltage of the cell: silver-silver chloride electrode || saturated calomel electrode given that the potential for the Ag|AgCl electrode in a saturated KCl solution is +0.197 V and the potential for a saturated calomel electrode is +0.241 V? 

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