Question

Washing soda contains ——— molecules of water of crystallization

Answer 1

Definition of Water of crystallization

• The fixed amount of water that is associated with hydrated crystals which is an integral part of the crystal is said to be the water of crystallization.
• It is also known as the water of hydration.
• The chemical name of washing soda is sodium carbonate decahydrate. ${\mathrm{Na}}_2{\mathrm{CO}}_3.10{\mathrm{H}}_2\mathrm{O}$

Conclusion: Washing soda contains ten molecules of water for crystallization.