What will happen if 50.0 mL of 0.032 M Na₂S₂O₃,50.0 mL of 0.010 M AgNO₃,and 50.0 mL of 0.047 M KCl are mixed together? For AgCl,K_sp = 1.8 × 10^-10; for Ag(S₂O₃)₂^3-,K_f = 2.9 × 10¹³. A)A precipitate of Ag₂S₂O₃ will form. B)A precipitate of KNO₃ will form. C)No precipitate will form because silver(I)ion exists predominantly as Ag⁺. D)No precipitate will form because silver(I)ion exists predominantly in the complex Ag(S₂O₃)₂^3-. E)A precipitate of AgCl will form.

Question

Quizplus · Accepted Answer

The silver ions will predominantly form the complex Ag(S₂O₃)₂³⁻ due to the high formation constant (Kf), preventing the formation of AgCl precipitate.

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