Which of the Following Acids Should Be Used to Prepare

question 6

Multiple Choice

Which of the following acids should be used to prepare a buffer with a pH of 4.5?

• A) HOC₆H₄OCOOH, K_a = 1.0 *10¯³
• B) C₆H₄(COOH)₂, K_a = 2.9 *0 10¯⁴
• C) CH₃COOH, K_a = 1.8 * 10¯⁵
• D) C₅H₅O₅COOH, K_a = 4.0 * 10¯⁶
• E) HBrO, K_a = 2.3 * 10¯⁹

---

Definitions:

Empirically Derived

Developed or created based on systematic observation or experimentation rather than theory alone.

Heritable

Traits or characteristics that can be passed from parents to their offspring through genes.

Self-efficacy

An individual's belief in their own capability to execute behaviors necessary to produce specific performance attainments.

Fundamental Traits

Core characteristics that are considered foundational in defining an individual's personality, according to certain psychological theories.