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May 28, 2015

Homework Help: chemistry lab (college level)

Posted by Tichele on Saturday, April 9, 2011 at 9:53pm.

So, this is going to be more like 2 or 3 questions. Here goes.
First, what is the net-ionic reaction for Fe (III) + K4Fe(CN)6 be? I've been agonizing over this for HOURS with no answer in sight. (I don't even know what to put down as a product!)

Second, what would the net-ionic reaction be for Cu2+ + NH4OH --> [Cu(NH3)4]?

Third, if trying to find chloride in an unknown, would it be sensible to use AgCl? (I think this is what we actually did use when we ran the lab in class) and how would I show a net-ionic reaction for that? Would it be Ag+ +Cl- --> AgCl (I think I may or may not have been over complicating things)

and lastly, how would I run a test for Nitrate? That isn't the brown ring test?

I'm so sorry this is so very long! I'd really greatly appreciate any and all help given!

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