Question

using Criss cross method write the formula of Ammonium Sulphate and ferric chloride​

Answer 1

Explanation:

In the first step, write down the valency of the reacting molecules

In the second step write down their formula

and then exchange them and the number of valency (ignoring the sign of charge)

If the valency of a molecule is 1 and it comes to the other molecule after crossing it is not mandatory to write 1. The valencies would come down to become the number of ammonium or sulphate ions.

I would like you to solve ferric chloride similarily.

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