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Q.
How many hydrogen bonded water molecules are associated with $CuSO_{4}\cdot5H_{2}O$?
Hydrogen
Solution:
Only one water molecule which is outside the coordination sphere is hydrogen bonded. Other four molecules of $H_2O$ are coordinated.
$\left[Cu\left(H_{2}O\right)_{4}\right]^{2+}SO^{2-}_{4}\cdot H_{2}O$