s-Block ElementsHard

Question

The molecular formula of plaster of pairs is :

Options

A.2CaSO₄.H₂O

B.CaSO₄.2H₂O

C.CaSO₄.3H₂O

D.2CaSO₄.1/2H₂O

Solution

2CaSO₄.1/2H₂O

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