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) MgSO
4 Potassium iodide KI Copper sulfate CuSO
4 Calcium chloride CaCl
2 Potassium permanganate KMnO
4 Sodium acetate CH
3COONa Calcium acetate (CH
3COO)
2Ca Sodium nitrate NaNO
3 Potassium nitrate KNO
3 Aluminium nitrate or Aluminum nitrate (US) Al(NO
3)
3 Aluminium sulfate or Aluminum sulfate (US) Al
2(SO
4)
3