Question

5)
calculate molecular mass of following.
(If K= 39 u , Mg = 24 u, Na = 23u , S = 32
u ,Cl = 35.5 u)
a) Calcium Carbonate b) Sodium
Sulphide c) Magnesium Oxide
d) Potassium Chloride e) Sodium
hydrogen carbonate (5)​

Answer 1

a) Calcium Carbonate b) Sodium

Sulphide c) Magnesium Oxide

d) Potassium Chloride e) Sodium

hydrogen carbonate (5)