Question

Write the formulae and names of compounds formed by the combination of-:
i) Fe3+ and So4 2- ii) NH4 +1 and CO3 2-


I want only this answer to be solved no other links which shows different:))

Answer 1

By crisscross method

Answer 2

The formula and names of compounds formed by the combination of the following compounds are:

(1)      Fe             SO₄

          +3              -2

The name of the compound is Ferric sulphate.

The formula of the compound is Fe₂(SO₄)₃.

(2)    NH₄            CO₃

        +1                 -2

The name of the compound is Ammonium carbonate.

The formula of the compound is (NH₄)₂CO₃.