What Is the PH of a Buffer That Consists of 0.45

question 108

Multiple Choice

What is the pH of a buffer that consists of 0.45 M CH₃COOH and 0.35 M CH₃COONa? K_a = 1.8 *10¯⁵

• A) 4.49
• B) 4.64
• C) 4.85
• D) 5.00
• E) 5.52

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Definitions:

Cholesterol

A waxy substance found in the blood, essential for building cells but high levels can lead to heart disease.

General Adaptation Syndrome

is a three-phase model that describes the body's physiological responses to stress: alarm, resistance, and exhaustion.

Alarm Reaction

The initial phase in the body's response to stress, involving the immediate activation of the nervous system.

Resistance

In psychoanalysis, the blocking from consciousness of anxiety-laden material.