One of the characteristics of a reference electrode is that it must produce a constant and reproducible half-cell reaction.For the saturated calomel reference electrode, which component ensures the development of this constant potential?

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The calomel reference electrode consists of elementary mercury covered with a thin coating of calomel that is in constant contact with a saturated solution of potassium chloride.The potential for the half-cell reaction will be constant as long as the activity of the chloride ion does not change.The activity of the chloride ion will remain constant as long as the potassium chloride solution remains saturated.

One of the Characteristics of a Reference Electrode Is That