A 100-L solution contains 0.010 M F– and 0.010 M SO42-. Solid barium nitrate is slowly added to the solution.
(a) Calculate the [Ba2+] when BaSO4 begins to precipitate.
(b) Calculate the [Ba2+j when BaF2, starts to precipitate.
Assume no volume change occurs. Ksp values: BaSO4 = 1.1 × 10–11; BaF2 = 1.7 × 10–6
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