Question

what is the difference between gypsum and plaster of Paris in chemical composition? 1mk​

Answer 1

Answer:

the formula of gypsum is CaSo4 2H2O. the formula of plaster of Paris is Caso4 1/2H2O

Answer 2

Chemical composition of gypsum:

Calcium Sulphate Dihydrate$( CaSO_{4}.2H_{2}O)$

Chemical composition of plaster of paris:

Calcium Sulphate hemihydrate $( CaSO_{4}. 1/2 H_{2}O)$