Question

The difference of molecules of water in gypsum and PoP is
1 point

Answer 1

Explanation:

The formula of gypsum=CaSO

4

⋅2H

2

O

Formula of plaster of Paris =CaSO

4

⋅

2

1

H

2

O

Thus, difference of water molecule:

=2H

2

O−

2

1

H

2

O=1

2

1

H

2

O.