Iron(II) Sulfide has a Ksp of 3.72 E-19, and Lead(II) sulfide has a Ksp of 9.04 E--29. What happens when you add S2- slowly to a solution containing Fe2+ and Pb2+? The Lead and the iron will precipitate out equally. The Lead will completely precipitate out before any of the iron will precipitate. The Iron will completely precipitate out before any Lead will precipitate. Because the Ksp 's are so low neither one will precipitate out.

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Chapter17: Equilibrium
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Problem 70QAP: . The solubility product of iron(III) hydroxide is very small: Ksp=41038at 25 °C. A classical method...
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Iron(II) Sulfide has a Ksp of 3.72 E-19, and Lead(II) sulfide has a Ksp of 9.04 E--29.
What happens when you add S2- slowly to a solution containing Fe2+ and Pb2+?
The Lead and the iron will precipitate out equally.
The Lead will completely precipitate out before any of the iron will precipitate.
The Iron will completely precipitate out before any Lead will precipitate.
Because the Ksp 's are so low neither one will precipitate out.
Transcribed Image Text:Iron(II) Sulfide has a Ksp of 3.72 E-19, and Lead(II) sulfide has a Ksp of 9.04 E--29. What happens when you add S2- slowly to a solution containing Fe2+ and Pb2+? The Lead and the iron will precipitate out equally. The Lead will completely precipitate out before any of the iron will precipitate. The Iron will completely precipitate out before any Lead will precipitate. Because the Ksp 's are so low neither one will precipitate out.
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