what is water of crystallisation?write the common name and chemical formule of a comercially important compound,which has 10 water moleculs.How is this compound obtained?write chemical equation also,list any two uses of this compouns
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Water of crystallisation is the fixed number of water molecules present in one formula unit of a salt.
Common name: Washing soda
Chemical formula: Na₂Co₃.10H₂O
Recrystallisation of Sodium carbonate gives washing soda
Na₂Co₃ + 10H₂O → Na₂Co₃.10H₂O
Uses of washing soda:
(1) used to remove permanent hardness of water.
(2)used in glass, soap, and paper industries.
Explanation:
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