When 38.0 mL of 0.1250 M H2SO4 is added to 100.mL of a solution of PbI2, a precipitate of PbSO4 forms.The PbSO4 is then filtered from the solution, dried, and weighed.If the recovered PbSO4 is found to have a mass of 0.0471 g, what was the concentration of iodide ions in the original solution?
A) 3.10 × 10-4 M
B) 1.55 × 10-4 M
C) 6.20 × 10-3 M
D) 3.11 × 10-3 M
E) 1.55 × 10-3 M
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