5
Question Question 5
Define water of crystallization. Give two examples with formulae.
The fixed amount of water which is in a loose chemical combination with one molecule of a substance in its crystal form is called water of crystallization.
The two examples are:
| Common name | Chemical name | Formula |
|---|---|---|
| Blue vitriol | Copper sulphate pentahydrate | CuSO4.5H2O |
| Washing soda | Sodium carbonate decahydrate | Na2CO3.10H2O |