Which complex produces 3 ions in aqueous solution, including the coordination sphere?

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[Ni(NH₃)4]Cl₂ Correct [Co(NH₃)6]Cl₃ [Fe(H₂O)5Cl]Cl [Cr(en)3]3+

[Ni(NH₃)4]Cl₂ dissociates into [Ni(NH₃)4]2+ and 2 Cl−, totaling 3 ions.

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