Chem 116 - General Chemistry II

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Selective Precipitation - Video Solution
Salt | Ksp |
---|---|
ThF4 | 5.0x10-29 |
CaF2 | 3.2x10-11 |
LiF | 1.7x10-3 |
What [F-] is needed to precipitate as much Th4+ and Ca2+ without precipitating the Li+?
At this [F-], what concentration of Th4+ and Ca2+ are left in solution and what percent of these ions have been precipitated?
Video B59