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4) Is it possible to precipitate 99.99 % of 0.030 M Ce3+ by adding oxalate (C2O42-)...

4) Is it possible to precipitate 99.99 % of 0.030 M Ce3+ by adding oxalate (C2O42-) without precipitating 0.020 M of Ca 2+ ? (10 points) CaC2O4 Ksp = 1.3x10-8 Ce2(C2O4)3 Ksp = 5.3 x10-30

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