16. Equal volumes of 0.020 M Ag+ solution and 2.0 M NH3 solution are mixed. Kf for [Ag(NH3)2]+ is 1.6 x 10^7. If trisodium arsenate (Na3AsO4) is added so that the arsenate ion concentration is 0.10 M, will silver arsenate (A93ASO4) precipitate? What is Q? (Ksp for silver arsenate is 1.0 x 10^ -22) A) no, Q = 6 x 10-9 B) no, Q = 2 x 10-29 C) yes, Q = 7 x 10-9 D) yes, Q = 4 x 10-20 E) no, Q = 3 x 10-29 %3D %3D

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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.86QP
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16. Equal volumes of 0.020 M Ag+ solution
and 2.0 M NH3 solution are mixed. Kf for
[Ag(NH3)2]+ is 1.6 x 10^7. If trisodium arsenate
(N23ASO4) is added so that the arsenate ion
concentration is 0.10 M, will silver arsenate
(Ag3AsO4) precipitate? What is Q? (Ksp for
silver arsenate is 1.0 x 10^ -22)
A) no, Q = 6 x 10-9
B) no, Q = 2 x 10-29
C) yes, Q =7 x 10-9
D) yes, Q = 4 x 10-20
E) no, @ %3D 3х 10-29
%3D
%D
%3D
Transcribed Image Text:16. Equal volumes of 0.020 M Ag+ solution and 2.0 M NH3 solution are mixed. Kf for [Ag(NH3)2]+ is 1.6 x 10^7. If trisodium arsenate (N23ASO4) is added so that the arsenate ion concentration is 0.10 M, will silver arsenate (Ag3AsO4) precipitate? What is Q? (Ksp for silver arsenate is 1.0 x 10^ -22) A) no, Q = 6 x 10-9 B) no, Q = 2 x 10-29 C) yes, Q =7 x 10-9 D) yes, Q = 4 x 10-20 E) no, @ %3D 3х 10-29 %3D %D %3D
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