write the chemical formula of ammonium carbonate using criss cross method
Ammonium is NH4+ which has valency = 1
Carbonate is CO32- which has valency = 2
Do cross multiply, i.e. multiply NH4+ with 2 and CO32- by 1.
You will get the formula of ammonium carbonate as (NH4)2CO3.
Carbonate is CO32- which has valency = 2
Do cross multiply, i.e. multiply NH4+ with 2 and CO32- by 1.
You will get the formula of ammonium carbonate as (NH4)2CO3.