Calculate the equilibrium concentrations of NH3, Cu2+, [Cu(NH3)]2+, [Cu(NH3)2]2+, [Cu(NH3)3]2+, and [Cu(NH3)4]2+ in a solution made by mixing 500.0 mL...

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Chemistry

Calculate the equilibrium concentrations of NH3,Cu2+, [Cu(NH3)]2+,[Cu(NH3)2]2+,[Cu(NH3)3]2+, and[Cu(NH3)4]2+ in a solution made bymixing 500.0 mL of 3.00 M NH3 with 500.0 mL of 2.00 x10-3 M Cu(NO3)2. The sequentialequilibria are

Cu2+ (aq) + NH3(aq) ⇐⇒[Cu(NH3)]2+ (aq) K1 = 1.86 x104

[Cu(NH3)]2+ (aq) + NH3(aq) ⇐⇒[Cu(NH3)2]2+ (aq) K2 =3.88 x 103

[Cu(NH3)2]2+ (aq) +NH3(aq) ⇐⇒ [Cu(NH3)3]2+(aq) K3 = 1.00 x 103

[Cu(NH3)3]2+ (aq) +NH3(aq) ⇐⇒ [Cu(NH3)4]2+(aq) K4 = 1.55 x 102

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4.5 Ratings (787 Votes)
moles of Cu2 0002 M x 05 L 0001 mol moles of NH3 3 M x 05 L 15 mol CuNH322 0001 mol1 L 0001 M NH3 remained 15 2 x 0001mol1 L    See Answer
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