Which reference electrode is used to measure the electrode potential of other electrodes?

Explanation

To answer the question, "Which reference electrode is used to measure the electrode potential of other electrodes?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Reference Electrode**:
- A reference electrode is an electrode that has a stable and well-known electrode potential. This stability allows it to serve as a point of comparison for measuring the potentials of other electrodes.

2. **Characteristics of a Reference Electrode**:
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