What Is the PH of 0

question 56

Multiple Choice

What is the pH of 0.25 M aqueous acetate ion? (K_b of CH₃CO₂^- = 5.6 × 10^-10)

• A) 4.32
• B) 4.93
• C) 9.07
• D) 9.68
• E) 13.40

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Definitions:

Expiratory Reserve Volume

The maximum volume of air that can be forcibly exhaled after the completion of a normal, quiet exhalation.

Total Lung Capacity

The maximum amount of air the lungs can hold, including inspiratory and expiratory reserve volumes and the tidal volume.

Capillaries

The smallest blood vessels in the body, which facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste substances between blood and surrounding tissues.

Alveoli

Clusters of air sacs in which the exchange of gases between air and blood takes place; located in the lungs.