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Topic: Why do we add HCl?  (Read 4531 times)

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Offline KninGrad

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Why do we add HCl?
« on: October 20, 2007, 12:02:50 PM »
I was preparing a lead solution from Pb(NO3)2 and was instructed to always add 10% v/v of HCl?  I was wondering why is that?  What specific purpose does HCl has in that solution?  Does it help dissolve the metal of something else?
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Offline Borek

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Re: Why do we add HCl?
« Reply #1 on: October 20, 2007, 02:29:14 PM »
It has something to do with solubility of hydroxides of heavy metals.
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