Question

15. Calculate the percentage of phosphorus in :
(a) Calcium hydrogen phosphate Ca(H2PO22
​

Answer 1

Answer:

Explanation:

CaHPO4

Ca=40g

H=1g

P=31g

O=4*16=64

Total mass=136

Mass percentage =mass of given element/total mass of given compound *100

40/136*100

=29.4

Answer 2

26.467 per cent phosphorus