Ag+(aq) + NH3(aq) ⇄ Ag(NH3)+(aq) Keq1 = 2.0 × 10³ Ag(NH3)+(aq) + NH3(aq) ⇄ Ag(NH3)2+(aq) Keq2 = 8.0 — Equilibrium Chemistry Question
Question
Ag+(aq) + NH3(aq) ⇄ Ag(NH3)+(aq) Keq1 = 2.0 × 10³
Ag(NH3)+(aq) + NH3(aq) ⇄ Ag(NH3)2+(aq) Keq2 = 8.0 × 10³
Equal volumes of 0.1 M AgNO3(aq) and 2.0 M NH3(aq) are mixed and the reactions represented above occur. Which Ag species will have the highest concentration in the equilibrium system shown below, and why?
Ag+(aq) + 2 NH3(aq) ⇄ Ag(NH3)2+(aq) Keq3 = ?
A.
Ag+(aq), because Keq3 = 4
B.
Ag+(aq), because Keq1 < Keq2
C.✓ Correct
Ag(NH3)2+(aq), because Keq3 = 1.6 × 10⁷
D.
Ag(NH3)2+(aq), because Keq1 < Keq2
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