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. H2S(aq)+2H2O(l)↽−−⇀S2−(aq)+2H3O+(aq)?eq=1.1×10−20An aqueous solution containing 0.0570 M Pb2+ and 0.0570 M Ag+ is saturated with H2S. Above what concentration of S2− will PbS precipitate? The ?sp of PbS is 8.9×10−29.[S2−]= MAbove what concentration of S2− will Ag2S precipitate? The ?sp of Ag2S is 3.3×10−50.[S2−]= MIf the pH of the solution is adjusted to 2.83, which species will precipitate from the saturated H2S solution?both PbS and Ag2Sneither speciesPbSAg2S < Question 12 of 15 >Metal sulfides are prepared by bubbling hydrogen sulfide gas, H,S, through an aqueous solution containing the metal ion, andthen adjusting the pH. When the solution is saturated with H, S, which occurs when [H, S]0.100 M, the equilibrium shownis established.H, S(aq) + 2 H, O1) = s²-(aq) + 2H,O*(aq)= 1.1 x 10¬20KegAn aqueous solution containing 0.0570 M Pb2+ and 0.0570 M Ag+ is saturated with H, S. Above what concentration of S2- willPbS precipitate? The Ksp of PbS is 8.9 x 10-29.[s²-] =MAbove what concentration of S²- will Ag,S precipitate? The Kgp of Ag,S is 3.3 × 10-30.[s²-] =MIf the pH of the solution is adjusted to 2.83, which species will precipitate from the saturated H, S solution?both PbS and Ag,Sneither speciesPbSO Ag,S

Given [H2S]=0.100 M, H2S(aq)+2H2O(l)↽−−⇀S2−(aq)+2H3O+(aq) Keq=1.1×10−20 An aqueous solution…

Answered: aqueous solution containing 0.0570 M…

Chemistry

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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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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.

H2S(aq)+2H2O(l)↽−−⇀S2−(aq)+2H3O+(aq)?eq=1.1×10−20

An aqueous solution containing 0.0570 M Pb2+ and 0.0570 M Ag+ is saturated with H2S. Above what concentration of S2− will PbS precipitate? The ?sp of PbS is 8.9×10−29.

[S2−]=

Above what concentration of S2− will Ag2S precipitate? The ?sp of Ag2S is 3.3×10−50.

[S2−]=

If the pH of the solution is adjusted to 2.83, which species will precipitate from the saturated H2S solution?

both PbS and Ag2S

neither species

PbS

Ag2S

< Question 12 of 15 >
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, O1) = s²-(aq) + 2H,O*(aq)
= 1.1 x 10¬20
Keg
An aqueous solution containing 0.0570 M Pb2+ and 0.0570 M Ag+ is saturated with H, S. Above what concentration of S2- will
PbS precipitate? The Ksp of PbS is 8.9 x 10-29.
[s²-] =
M
Above what concentration of S²- will Ag,S precipitate? The Kgp of Ag,S is 3.3 × 10-30.
[s²-] =
M
If the pH of the solution is adjusted to 2.83, which species will precipitate from the saturated H, S solution?
both PbS and Ag,S
neither species
PbS
O Ag,S

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