Diffculty to separate by fractional precipitation
Consider the following Ksp values for metal sul?des:
MgC2O4 = 8.6 × 10^-5CoC2O4 = 2.7 × 10^-9CuC2O4 = 2.9 × 10^-8PbC2O4 = 2.7 × 10^-11
Which pair would be least diffcult to separate by fractional precipitation?
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