Calculate the PH of a Buffer Solution That Contains 0

question 110

Multiple Choice

Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C₆H₅CO₂H) and 0.15M sodium benzoate (C₆H₅COONa) .[K_a = 6.5 × 10^-5 for benzoic acid]

• A)3.97
• B)4.83
• C)4.19
• D)3.40
• E)4.41

---

Definitions:

Altered State of Consciousness

A condition significantly different from the norm, where the mind's awareness or perception is changed, such as during sleep, meditation, or under the influence of substances.

Activation-Synthesis

A theory in the field of dream research proposing that dreams result from the brain's attempt to make sense of neural activity during sleep.

Role-Playing

An activity in which individuals assume the roles of characters or figures to explore social and personal dynamics.

Heightened State

A condition of increased emotional, cognitive, or physical arousal, which can enhance performance or perception in certain situations.