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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) Kea = 1.1 x 10-2 An aqueous solution containing 0.0412 M Zn2+ and 0.0412 M Ag* is saturated with H, S. Above what concentration of s2- will ZnS precipitate? The K, of ZnS is 2.0 × 10-25. [S2-| = 3.24 x10-27 M Incorrect Above what concentration of S?- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-3º. [s²-] = M Incorrect

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) Kea = 1.1 x 10-2 An aqueous solution containing 0.0412 M Zn2+ and 0.0412 M Ag* is saturated with H, S. Above what concentration of s2- will ZnS precipitate? The K, of ZnS is 2.0 × 10-25. [S2-| = 3.24 x10-27 M Incorrect Above what concentration of S?- will Ag, S precipitate? The Ksp of Ag, S is 3.3 x 10-3º. [s²-] = M Incorrect

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.84QE
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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,0*(aq) Keg = 1.1 x 10-20 An aqueous solution containing 0.0412 M Zn²+ and 0.0412 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-] = 3.24 x10-27 M Incorrect Above what concentration of S²- will Ag, S precipitate? The Ksp of Ag, S is 3.3 × 10-30. [s*-] = M %3D Incorrect If the pH of the solution is adjusted to 3.64, which species will precipitate from the saturated H, S solution? ZnS Ag,S neither species O both ZnS and Ag, S
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,0*(aq) Keg = 1.1 x 10-20 An aqueous solution containing 0.0412 M Zn²+ and 0.0412 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-] = 3.24 x10-27 M Incorrect Above what concentration of S²- will Ag, S precipitate? The Ksp of Ag, S is 3.3 × 10-30. [s*-] = M %3D Incorrect If the pH of the solution is adjusted to 3.64, which species will precipitate from the saturated H, S solution? ZnS Ag,S neither species O both ZnS and Ag, S
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