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Part A.) Ksp(Li2CO3) = 8.2x10-4, Ksp(LiF) = 1.8x10-3 Consider a solution that is 0.155 M in...

Part A.)

Ksp(Li2CO3) = 8.2x10-4, Ksp(LiF) = 1.8x10-3

Consider a solution that is 0.155 M in CO32- and 0.364 M in F-.

If lithium nitrate is used to selectively precipitate one of the anions while leaving the other anion in solution, what % of the first ion remains in solution at the moment when the second ion starts precipitating?

Enter your answer numerically to three sig figs.

Part B.)

If 500.0 mL of 0.1 M Ca2+ is mixed with 500.0 mL of 0.10 M SO42−, what mass of calcium sulfate will precipitate?

Assume that the Ksp for CaSO4 is 3.2×10−5.

Enter your answer numerically in units of grams.

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