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Chemistry · L4 · Complex Ions and Solubility · flowchart

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by @openstemUpdated Chemistry
AgCl(s)very insoluble alone (Ksp = 1.8×10⁻¹⁰)AgCl(s) ⇌ Ag⁺(aq) + Cl⁻(aq)Free Ag⁺(aq)(only a tiny amount)Excess NH₃(aq) addedAg⁺(aq) + 2NH₃(aq) ⇌ [Ag(NH₃)₂]⁺(aq)Kf = 1.7×10⁷Ag⁺ continuouslyremoved from solutionLe Chatelier: dissolutionequilibrium shifts RIGHTMore AgCl(s) dissolvesOverall: AgCl(s) + 2NH₃(aq) ⇌[Ag(NH₃)₂]⁺(aq) + Cl⁻(aq), K = Ksp×Kf = 3.1×10⁻³

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