Calculate the PH of a Buffer That Is 0

question 134

Multiple Choice

Calculate the pH of a buffer that is 0.020 mol L^-1 HF and 0.040 mol L^-1 LiF. The K_a for HF is 3.5 × 10^-4.

• A) 2.06
• B) 4.86
• C) 3.16
• D) 3.46
• E) 3.76

---

Definitions:

Skill

The ability to perform a task proficiently, often developed through practice and learning.

Performance Review

A formal assessment in which the work performance of an employee is documented and evaluated.

Supportive

Providing assistance, encouragement, or emotional help to others in a way that promotes a positive environment or outcome.

Corrective

Designed to correct or rectify an error, fault, or undesirable outcome, often through specific interventions or adjustments.