You Wish to Prepare a Buffer Containing CH₃COOH with a PH

question 53

Multiple Choice

You wish to prepare a buffer containing CH₃COOH with a pH of 4.24. If the pK_a of acetic acid is 4.74, what ratio of [CH₃COO⁻]/[CH₃COOH] must you use?

• A) 0.10
• B) 0.50
• C) 0.32
• D) 2.0
• E) 2.8

---

Definitions:

Chan Buddhist

A tradition of Buddhism originating in China, emphasizing meditation, intuition, and sudden enlightenment, known in Japan as Zen Buddhism.

Song Emperors

Rulers of the Song Dynasty, which was a culturally rich and sophisticated period in China from 960 to 1279 CE.

Marquise of Dai

Refers to Lady Dai (Xin Zhui), a noblewoman during the Han Dynasty in China, whose well-preserved mummy and extravagant tomb were discovered in 1971.

Funeral Banner

A piece of cloth, often elaborately decorated, used in funeral ceremonies as part of the burial rites to signify honor or represent the deceased.