What Is the PH of a Buffer Solution That Is

question 74

Multiple Choice

What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The K_a of lactic acid is 1.4 × 10^-4.

• A)14.28
• B)10.43
• C)5.48
• D)3.57
• E)4.13

---

Definitions:

Unrealistic Deadlines

Timeframes for completing tasks or projects that are unreasonable or unachievable, often leading to stress and lower quality outcomes.

High Goals

Ambitious objectives that challenge an individual or organization to achieve significant improvements or success.

Constructive Stress

Stress that is perceived as positive or beneficial, motivating individuals to perform better and achieve their goals.