Lead Ions Can Be Precipitated from Aqueous Solutions by the Addition

question 94

Multiple Choice

Lead ions can be precipitated from aqueous solutions by the addition of aqueous iodide:
(aq) +
(aq) →
(s)
Lead iodide is virtually insoluble in water so that the reaction appears to go to completion.How many millilitres of 3.550 mol L^-1 HI(aq) must be added to a solution containing 0.700 mol of
To completely precipitate the lead?

• A)2.54 × 10^-3 mL
• B)394 mL
• C)197 mL
• D)0.197 mL
• E)0.394 mL

---

Definitions:

Incompatible Needs

Situations or desires that cannot be satisfied or met simultaneously due to conflicting requirements or circumstances.

Performance Goals

Targets or objectives set to achieve specific performance standards, often characterized by a focus on improving or maintaining the quality of results.

Perfection

The state of being completely free from faults or defects, or the highest degree of proficiency in something.

Approach

The method or process taken towards dealing with a problem or task.