Metal sulfides are prepared by bubbling hydrogen sulfide gas, H,S, through an aqueous solution containing the metal ion, and then adjusting the pH. When the solution is saturated with H, S, which occurs when [H, S] = 0.100 M, the equilibrium shown is established. H,S(aq) + 2 H,O(1) = s²-(aq) + 2 H,0*(aq) Keq = 1.1 x 10-20 An aqueous solution containing 0.0331 M Zn2+ and 0.0331 M Ag+ is saturated with H, S. Above what concentration of S2- will ZnS precipitate? The Ksp of ZnS is 2.0 x 10-25. [s²-] M Above what concentration of S2- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-50. [s*-] = M
Metal sulfides are prepared by bubbling hydrogen sulfide gas, H,S, through an aqueous solution containing the metal ion, and then adjusting the pH. When the solution is saturated with H, S, which occurs when [H, S] = 0.100 M, the equilibrium shown is established. H,S(aq) + 2 H,O(1) = s²-(aq) + 2 H,0*(aq) Keq = 1.1 x 10-20 An aqueous solution containing 0.0331 M Zn2+ and 0.0331 M Ag+ is saturated with H, S. Above what concentration of S2- will ZnS precipitate? The Ksp of ZnS is 2.0 x 10-25. [s²-] M Above what concentration of S2- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-50. [s*-] = M
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.11PAE
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![Metal sulfides are prepared by bubbling hydrogen sulfide gas, H, S, through an aqueous solution containing the metal ion, and
then adjusting the pH. When the solution is saturated with H, S, which occurs when [H, S] = 0.100 M, the equilibrium shown
is established.
H, S(aq) + 2 H, O(1) = s2-(aq) + 2 H,O*(aq)
Keq
1.1 x 10-20
An aqueous solution containing 0.0331 M Zn2+ and 0.0331 M Ag+ is saturated with H, S. Above what concentration of S2- will
ZnS precipitate? The Ksp of ZnS is 2.0 × 10-25.
[s²-] =
M
Above what concentration of S2- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-50.
[s²-] =
M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F840f535b-f075-49f5-9fe8-c5a30f6f8dd7%2F84dc1a9a-8fee-489d-ab5f-edfb5428f927%2Fdl8kjf3_processed.png&w=3840&q=75)
Transcribed Image Text:Metal sulfides are prepared by bubbling hydrogen sulfide gas, H, S, through an aqueous solution containing the metal ion, and
then adjusting the pH. When the solution is saturated with H, S, which occurs when [H, S] = 0.100 M, the equilibrium shown
is established.
H, S(aq) + 2 H, O(1) = s2-(aq) + 2 H,O*(aq)
Keq
1.1 x 10-20
An aqueous solution containing 0.0331 M Zn2+ and 0.0331 M Ag+ is saturated with H, S. Above what concentration of S2- will
ZnS precipitate? The Ksp of ZnS is 2.0 × 10-25.
[s²-] =
M
Above what concentration of S2- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-50.
[s²-] =
M
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