Question

Give the brief description of the principal of crystallisation withexample

Answer 1

Answer

Crystallisation is the addition of water molecules to a formula unit of a salt.

For e. g.
Na2CO3 + 10.H2O --- Na2CO3. 10H2O

Hope it helps you..

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Answer 2

Water of crystallisation is the fixed number of water molecules present in one formula unit of a salt.

Example :- CuSo4.5H2O