Why do we have to prevent hydrolysis of Iron(III)?

Muhammad Ihsan Alfikro @Muhammad-Alfikro

01 January 1970 0 8K Report

I want to make particular concentration of Ferric ions from its salt molecule: Fe(NO3)3.9H20, and then I found this video:

https://youtu.be/MjbzkDxy3hg

It says that we have to add nitric acid to prevent iron from hydrolysis, what does it mean? Why do we have to prevent it? If not adding it, does it affect our concentrate solution later?

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