Question

Write the steps in deducing the chemical formulae of the following compounds.

(iii) Ferric phosphate

Answer 1

Ferric phosphate :

Step 1 : Write the symbols and valencies of the radicals.

Symbols	Fe	PO4
Valency	3	3

Step 2 : Cross-multiply symbols of radicals with their respective valency.

Step 3 : Write down the chemical formula of the compound.

The chemical formula of  Ferric phosphate is FePO₄