Transition metals reactions help Watch
Cu(H2O)4(OH)2 + 4NH3 -> [Cu(H2O)2(NH3)4]2+ + 2H2O + 2 OH-
[Cu(H2O)6]2+ + Na2CO3 -> [Cu(H2O)6]2+CO32- + 2Na+
Na+ is a spectator ion. It stays in solution
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