Chemical formula for salt
Salt is an ionic compound formed by the action of an acid on a substance. There are many different types of salts.
The most common salt is sodium chloride, NaCl or table salt, and is made up of the elements sodium and chlorine.
| Name | Chemical formula |
| Sodium chloride | NaCl |
| Magnesium sulfate (Epsom salt) | MgSO4 |
| Potassium iodide | KI |
| Copper sulfate | CuSO4 |
| Calcium chloride | CaCl2 |
| Potassium permanganate | KMnO4 |
| Sodium acetate | CH3COONa |
| Calcium acetate | (CH3COO)2Ca |
| Sodium nitrate | NaNO3 |
| Potassium nitrate | KNO3 |
| Aluminium nitrate | Al(NO3)3 |
| Aluminium sulfate (alum) | Al2(SO4)3 |
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