What Is the Relationship Between the PK_a for an Acid-Base

question 26

Multiple Choice

What is the relationship between the pK_a for an acid-base indicator and the pH at which the indicator changes color?

• A) pH = K_a
• B) pH = pK_a
• C) pH = −log[pK_a]
• D) pH = −log[H⁺]
• E) [H⁺] = pK_a

---

Definitions:

Job Training

Education or instruction in the skills and knowledge necessary to perform a specific job or task.

Career Stage Model

A framework describing the phases individuals go through during their working life, typically including entry, growth, maturity, and decline stages.

Transition From School

The period of adjustment and adaptation from the educational environment to the professional or higher education settings.

Psychological Contracts

An unwritten agreement between an employee and their employer regarding mutual expectations of inputs and outcomes.