What Is the Buffer Range (For an Effective 2

question 123

Multiple Choice

What is the buffer range (for an effective 2.0 pH unit) for a benzoic acid/sodium benzoate buffer? [Ka for benzoic acid is 6.3 × 10^-5]

• A)8.8 - 10.8
• B)7.4 - 9.4
• C)5.3 - 7.3
• D)4.7 - 6.7
• E)3.2 - 5.2

---

Definitions:

Emotional Experience

The complex psychological state involving an individual's subjective feelings, physical responses, and behavioral expressions in response to stimuli.

Primary Reaction

Refers to the immediate, instinctual response to a stimulus before any processing or conscious thought occurs.

Two-factor Theory

A psychological theory that posits emotion is based on two factors: physiological arousal and cognitive labeling of that arousal, emphasizing the interaction between physical states and cognitive interpretation.

Schachter's

Refers to Stanley Schachter's theory, which suggests that emotion is based on two factors: physiological arousal and the cognitive interpretation of that arousal.