February 25, 2017

Homework Help: Chemistry

Posted by Christina on Monday, April 5, 2010 at 6:17pm.

The Cu2+ ion can be separated from Ag+,
Ca2+, and K+ in aqueous solution by
1. precipitation of Cu2+ as Cu(OH)2(s) with
6 M NaOH(aq).
2. precipitation of Ag+, Ca2+, and K+ as
the carbonates.
3. None of these procedures will separate
Cu2+ from the other ions.
4. precipitation of Cu2+ as CuCl2(s) with 6
M HCl(aq).
5. precipitation of Cu2+ as CuS(s) at pH 1.

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