Question

Water of crystallization present in plaster of paris​

Answer 1

Answer:

Hence, for one molecule of calcium sulfate, half a molecule of water is required. This means the water of crystallization of the plaster of Paris is 0.5 .

Answer 2

Answer:

on careful heating of gypsum at 373k , it loses water molecules partially to become calcium sulphate hemihydrate. this is called plaster of paris (CaSO4. 1/2 H2O).