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What is the SI unit of electrochemical equivalent?

2 Answers

 
Best answer
The **SI unit of electrochemical equivalent** is **kilogram per coulomb (kg/C)**.

### Explanation:
The electrochemical equivalent (Z) represents the mass of a substance deposited or dissolved during electrolysis when one coulomb of electric charge passes through the electrolyte. It is defined as:

\[
Z = \frac{\text{Mass deposited (m)}}{\text{Charge passed (Q)}}
\]

- **Mass (m)** is measured in kilograms (kg) in the SI system.
- **Charge (Q)** is measured in coulombs (C) in the SI system.

Thus, the electrochemical equivalent has units of **kg/C**, meaning the mass of the material deposited per unit of charge.

### Context:
The electrochemical equivalent is closely related to **Faraday's laws of electrolysis**, which describe how the amount of a substance produced at an electrode is proportional to the electric charge passed through the electrolyte.
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The SI unit of electrochemical equivalent (ECE) is **coulomb per gram (C/g)**.

Electrochemical equivalent refers to the amount of substance (in grams) that is deposited or dissolved at an electrode when a unit charge (one coulomb) passes through the electrolyte. It essentially measures the efficiency of the electrolysis process in terms of how much material is deposited or dissolved per unit charge.

So, in summary, the SI unit is C/g.
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