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) + 2H,O*(aq) Keq = 1.1 x 10-20 An aqueous solution containing 0.0521 M Pb2+ and 0.0521 M Ag* is saturated with H, S. Above what concentration of S²- will PbS precipitate? The Kyp of PbS is 8.9 × 10-29. [s²-] = M Above what concentration of S²- will Ag,S precipitate? The Kşp of Ag,S is 3.3 × 10-50. [s²-] = M If the pH of the solution is adjusted to 2.32, which species will precipitate from the saturated H, S solution? both PbS and Ag,S PbS neither species O Ag,S
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) + 2H,O*(aq) Keq = 1.1 x 10-20 An aqueous solution containing 0.0521 M Pb2+ and 0.0521 M Ag* is saturated with H, S. Above what concentration of S²- will PbS precipitate? The Kyp of PbS is 8.9 × 10-29. [s²-] = M Above what concentration of S²- will Ag,S precipitate? The Kşp of Ag,S is 3.3 × 10-50. [s²-] = M If the pH of the solution is adjusted to 2.32, which species will precipitate from the saturated H, S solution? both PbS and Ag,S PbS neither species O Ag,S
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Chapter1: Chemical Foundations
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Question
![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) + 2H,O*(aq)
Keq = 1.1 x 10-20
An aqueous solution containing 0.0521 M Pb2+ and 0.0521 M Ag* is saturated with H, S. Above what concentration of S²- will
PbS precipitate? The Kyp of PbS is 8.9 × 10-29.
[s²-] =
M
Above what concentration of S²- will Ag,S precipitate? The Kşp of Ag,S is 3.3 × 10-50.
[s²-] =
M
If the pH of the solution is adjusted to 2.32, which species will precipitate from the saturated H, S solution?
both PbS and Ag,S
PbS
neither species
O Ag,S](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d39eb1c-3154-4bee-b19a-a1be6277f6e8%2Fc7364a23-bcbb-4967-91bc-a442a2f64dd8%2F0idp8e_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) + 2H,O*(aq)
Keq = 1.1 x 10-20
An aqueous solution containing 0.0521 M Pb2+ and 0.0521 M Ag* is saturated with H, S. Above what concentration of S²- will
PbS precipitate? The Kyp of PbS is 8.9 × 10-29.
[s²-] =
M
Above what concentration of S²- will Ag,S precipitate? The Kşp of Ag,S is 3.3 × 10-50.
[s²-] =
M
If the pH of the solution is adjusted to 2.32, which species will precipitate from the saturated H, S solution?
both PbS and Ag,S
PbS
neither species
O Ag,S
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