Question

Write the name and formula of one salt each which contains
(a) two molecules of water of crystallisation
(b) five molecules of water of crystallisation
(c) ten molecules of water of crystallisation

Answer 1

Answer:

b)dehydrated

b)pentahydrated

c)decahydrated

Answer 2

Answer:

a) CaSO4 • 2 H2O (Calcium Sulphate Di-hydrate)
b) CuSO4 • 5 H2O (Copper Sulphate Penta-hydrate)
b) Na2CO3 • 10 H2O (Sodium Carbonate Deca-hydrate)

Explanation:

a) also known as Gypsum
b) also known as Blue vitriol
c) also known as Washing soda