K₂CrO₂(aq) is slowly added to a solution that has [Ba²+] = [Sr²+] = 0.10 M. Calculate the [CrO₂2-] needed to start the precipitation of: Ksp = 1.2 x 10-10 Ksp = = 2.2 x 10-5 What is the concentration of the first ion to precipitate when the second ion begins to precipitate? Is complete separation of Ba²+(aq) and Sr²+(aq) by fractional precipitation feasible? Justify your answer. 2. 3. (a) BaCrO4(s) (b) SrCrO₂ (s)
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![K₂CrO₂(aq) is slowly added to a solution that has [Ba²+] = [Sr²+] = 0.10 M.
Calculate the [CrO²-] needed to start the precipitation of:
(a) BaCrO4(s)
(b) SrCrO₂ (s)
Ksp = 1.2 x 10-10
Ksp = 2.2 x 10-5
What is the concentration of the first ion to precipitate when the second
ion begins to precipitate?
Is complete separation of Ba²+(aq) and Sr²+(aq) by fractional precipitation
feasible? Justify your answer.
1.
2.
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