The Solubility Product Constant of PbI2 Is 7

question 7

Multiple Choice

The solubility product constant of PbI2 is 7.1 × 10^-9. How many moles of PbI2 will precipitate if 250 ml of a 0.200 M solution of NaI are added to 150 ml of 0.100 M solution of Pb(NO₃) ₂? You may neglect hydrolysis.

• A) 0.050 mol
• B) 1.3 × 10^-5 mol
• C) 0.015 mol
• D) 5.6 × 10^-3 mol
• E) 0.040 mol

---

Definitions:

KSAs

Knowledge, Skills, and Abilities, representing the competencies required to perform a job effectively.

Ethics Competency

The ability to recognize ethical issues, make decisions based on ethical principles, and act in a manner consistent with good ethical practices within a professional context.

Governmental Laws

Established rules enacted by a government authority that dictate the conduct of individuals, organizations, and societies.

Privacy Considerations

Factors taken into account to protect individuals' personal information and maintain confidentiality in various contexts.