At What Point in the Following Titration Curve for a Weak

question 74

Multiple Choice

At what point in the following titration curve for a weak acid being titrated with a strong base is the pH equal to the pK_a of the acid? The x-axis scale goes from 0.0 mL to 20.0 mL.The sharp rise is at 10.0 mL.

• A)0.0 mL
• B)5.0 mL
• C)9.0 mL
• D)10.0 mL
• E)18.0 mL

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Definitions:

Olfactory Bulb

A brain structure located in the forebrain involved in the sense of smell, serving as the initial processing site for olfactory information.

Pheromones

Chemical substances produced and released into the environment by an animal, affecting the behavior or physiology of others of its species.

Amygdala

An almond-shaped mass of nuclei located deep within the temporal lobes of the brain, involved in emotion regulation, memory processing, and decision-making.