A solution of 0.079 M CoBr2 is saturated with H2S. ([H2S] = 0.087 M. Assume saturation is maintained by bubbling H2S through the solution for the duration of the experiment.) CoS(s) Co2+(aq) + S2−(aq) Ksp = 4.0 ✕ 10−21 H2S(aq) + 2 H2O(l) 2 H3O+(aq) + S2−(aq) K = 8.9 ✕ 10−27 What is the minimum pH at which CoS begins to precipitate?
A solution of 0.079 M CoBr2 is saturated with H2S. ([H2S] = 0.087 M. Assume saturation is maintained by bubbling H2S through the solution for the duration of the experiment.) CoS(s) Co2+(aq) + S2−(aq) Ksp = 4.0 ✕ 10−21 H2S(aq) + 2 H2O(l) 2 H3O+(aq) + S2−(aq) K = 8.9 ✕ 10−27 What is the minimum pH at which CoS begins to precipitate?
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Chapter1: Chemical Foundations
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A solution of 0.079 M CoBr2 is saturated with H2S. ([H2S] = 0.087 M. Assume saturation is maintained by bubbling H2S through the solution for the duration of the experiment.)
CoS(s) Co2+(aq) + S2−(aq) Ksp = 4.0 ✕ 10−21
H2S(aq) + 2 H2O(l) 2 H3O+(aq) + S2−(aq) K = 8.9 ✕ 10−27
What is the minimum pH at which CoS begins to precipitate?
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