February 21, 2017

Homework Help: Chem

Posted by Kim on Tuesday, October 26, 2010 at 6:30pm.

The question is;
About Fe+2 concentration will Fe(OH)2 precipitate from a buffer solution that has a PH = 9.29? The Ksp of Fe(OH)2 is 4.87x10^-17

So here is what I did,
Ksp = (x) (2x)^2 = 4x^3
4.87x10^-17 = 4x^3
x = 2.30x10^-6

I don't know what do I have to do
after this.
Plz help me!

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