Question

II. Calculate the percentage composition of:
1. Calcium phosphate
2. Potassium hydroxide
3. Sodium bicarbonate
4. Aluminium sulphate
5. Nitrous oxide
(Atomic weights are: Ca 40, P=31,016, K = 39, H = 1, Na = 23,
C12A27,5 32, N=14]​

Answer 1

II. Calculate the percentage composition of:

1. Calcium phosphate 35.98%

2. Potassium hydroxide1.256%

3. Sodium bicarbonate 54.989%

4. Aluminium sulphate 17.558888%

5. Nitrous oxide 23.8887%

(Atomic weights are: Ca 40, P=31,016, K = 39, H = 1, Na = 23,

C12A27,5 32, N=14]