A laboratory instructor gives you a test tube containing Ag+ ,Ba 2+ , and Cu 2+ ions. Devise a reaction scheme that would allow you to selectively precipitate each of these ions. Write a balanced net ionic equation for each precipitation reaction.

2 answers

Ag^+ + Cl^- ==> AgCl(s)
Ba^2+ + SO4^2- ==> BaSO4(s)
Cu^2+ + 2OH^- ==> Cu(OH)2(s)

Add Cl^-, filter AgCl. Treat with Na2SO4 and filter BaSO4. Add NaOH. Filter Cu(OH)2.
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