Mohr's Salt

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Mohr's salt is:

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**Mohr's Salt** is **Ferrous Ammonium Sulfate hexahydrate**.
- Formula: **$FeSO_4 \cdot (NH_4)_2SO_4 \cdot 6H_2O$**.
- Type: It is a **Double Salt**. Unlike complex salts, double salts completely dissociate into their component ions when dissolved in water.
- Importance: It is used as a **Primary Standard** in titration because it is relatively stable in solid form and resistant to aerial oxidation compared to simple ferrous sulfate ($FeSO_4$).

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