When 380 ML of 0

question 8

Multiple Choice

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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