Question

the difference of molecules of water in gypsum and plaster of paris is
a) 5/2
b) 2
c) 3/2
d) 1/2

Answer 1

Answer:

the difference of molecules of water in gypsum and plater of pairs is 3/2

Answer 2

Answer:

Answer no.(d)

Explanation:

Gypsum is CaSO

4

.2H

2

O and Plaster of paris is CaSO

4

.0.5H

2

O. The difference in number of water molecules is =

2

3

or 1

2

1