12. A solution containing both Mn+2 and Cd+2 is saturated with H₂S gas, after which the concentration of H+ is found to be 0.30 M. Will the sulfides of these ions precipitate under these conditions? Calculate the maximum concentration of (a) Cd+2 and can remain x for x 10-26; K1 for H₂S = 1.0 x 10-7; K₂ = 1.3 x 10-13; Saturated H2S is 0.10 M) (a) (b)

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Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 52E: Hydrogen sulfide is bubbled into a solution that is 0.10 M in both Pb2+ and Fe2+ and 0.30 M in HCl....
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12. A solution containing both Mn+2 and Cat2 is saturated with H₂S gas, after which the
concentration of H+ is found to be 0.30 M. Will the sulfides of these ions precipitate
under these conditions? Calculate the maximum concentration of (a) Cd+2 and
(b) Mn+2 that can remain in solution. (Ksp for MnS = 1.0 x 10-13; for CdS = 1.0 x 10-26;
K1 for H₂S = 1.0 x 10-7; K₂ = 1.3 x 10-13; Saturated H2S is 0.10 M)
(b)
13. Calculate the Ni+2 concentration of a solution made by mixing 0.020 mole of solid
Ni(NO3)2 into 1.0 liter of 0.22 M NHACH. Kd for NI(NH3)2+ = 1.1 x 10-8
Transcribed Image Text:12. A solution containing both Mn+2 and Cat2 is saturated with H₂S gas, after which the concentration of H+ is found to be 0.30 M. Will the sulfides of these ions precipitate under these conditions? Calculate the maximum concentration of (a) Cd+2 and (b) Mn+2 that can remain in solution. (Ksp for MnS = 1.0 x 10-13; for CdS = 1.0 x 10-26; K1 for H₂S = 1.0 x 10-7; K₂ = 1.3 x 10-13; Saturated H2S is 0.10 M) (b) 13. Calculate the Ni+2 concentration of a solution made by mixing 0.020 mole of solid Ni(NO3)2 into 1.0 liter of 0.22 M NHACH. Kd for NI(NH3)2+ = 1.1 x 10-8
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