Metal sulfides are prepared by bubbling hydrogen sulfide gas, H₂S, through an aqueous solution containing the metal ion, and then adjusting the pH. When the solution is saturated with H₂S, which occurs when [H₂S] = 0.100 M, the equilibrium shown is established. H,S(aq) +2H,O(I)=S2-(aq) +2H,O*(aq) An aqueous solution containing 0.0382 M Pb²+ and 0.0382 M Ag+ is saturated with H₂S. Above what concentration of S²- w PbS precipitate? The Ksp of PbS is 8.9 x 10-2⁹. [s2-] = [s²-] = Above what concentration of S²- will Ag₂S precipitate? The Ksp of Ag₂S is 3.3 × 10-50. Keq neither species both PbS and Ag₂S = 1.1 x 10-20 If the pH of the solution is adjusted to 3.56, which species will precipitate from the saturated H₂S solution? Phs M M

Metal sulfides are prepared by bubbling hydrogen sulfide gas, H₂S, through an aqueous solution containing the metal ion, and then adjusting the pH. When the solution is saturated with H₂S, which occurs when [H₂S] = 0.100 M, the equilibrium shown is established. H,S(aq) +2H,O(I)=S2-(aq) +2H,O*(aq) An aqueous solution containing 0.0382 M Pb²+ and 0.0382 M Ag+ is saturated with H₂S. Above what concentration of S²- w PbS precipitate? The Ksp of PbS is 8.9 x 10-2⁹. [s2-] = [s²-] = Above what concentration of S²- will Ag₂S precipitate? The Ksp of Ag₂S is 3.3 × 10-50. Keq neither species both PbS and Ag₂S = 1.1 x 10-20 If the pH of the solution is adjusted to 3.56, which species will precipitate from the saturated H₂S solution? Phs M M

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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