Question

What is the water of crystallization?

Answer 1

Water of crystallization:

• The number of water molecules present in one formula unit of a salt is known as the water of crystallization.
• For example, in hydrated Copper sulfate (${\mathrm{CuSO}}_4·5{\mathrm{H}}_2\mathrm{O}$), $5$ water molecules are present.
• So, the water of crystallization is $5$ in this hydrated species.