Sodium sulfate is slowly added to 1.00 L of a solution that is 0.10 M in both Pb2+(aq) and Sr2+(aq). — Aqueous Chemistry Chemistry Question
Question
Sodium sulfate is slowly added to 1.00 L of a solution that is 0.10 M in both Pb2+(aq) and Sr2+(aq). How much Na2SO4 must be added to induce precipitation of SrSO4? The Ksp of PbSO4 is 1.8 × 10-8 and the Ksp of SrSO4 is 3.5 × 10-7.
A.
3.3 × 10-6 mol
B.
3.5 × 10-6 mol
C.
5.9 × 10-4 mol
D.✓ Correct
9.5 × 10-2 mol
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