Wht is water of crystallization?

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Posted by Kamlesh Bhangal 6 years, 11 months ago
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Puja Sahoo 6 years, 11 months ago
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Yogita Ingle 6 years, 11 months ago
Water of crystallisation is a fixed number of water molecules present in one formula unit of a salt. One formula unit of copper sulphate contains five water molecules (5H20). The water molecules which form part of the structure of a crystal are called water of crystallisation. When hydrated salts are heated strongly, they lose their water of crystallisation.
Salts that contain a definite number of water molecules as water of crystallisation are called hydrated salts.
Example: Gypsum and washing soda.
Conversely, salts that do not contain water of crystallisation are called anhydrous salts.
Example: Anhydrous copper sulphate.
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