Why P.O.P is written as CaSO4.1/2H2O
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it become gypsum when no water of crystalisation are added into it
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CaSO4.1/2H2O is known as calcium sulphate hemihydrate.
In plaster of Paris 2 units of calcium sulphate share one molecule of water making it 1/2 molecule of water per CaSO4 unit.
Half a molecule of water means that two units of a chemical substance share one molecule of water.
In plaster of Paris 2 units of calcium sulphate share one molecule of water making it 1/2 molecule of water per CaSO4 unit.
Half a molecule of water means that two units of a chemical substance share one molecule of water.
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