When 380 ML of 0

question 151

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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