A 250 ML Solution of Quinine Was Titrated with 1

question 176

Multiple Choice

A 25.0 mL solution of quinine was titrated with 1.00 M hydrochloric acid, HCl. It was found that the solution contained 0.125 moles of quinine. What was the pH of the solution after 50.00 mL of the HCl solution were added? Quinine is monobasic with pK_b = 5.10.

• A) 5.10
• B) 8.90
• C) 8.72
• D) 4.92
• E) 9.08

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Definitions:

Distinct Personalities

The concept that an individual may exhibit different sets of traits, behaviors, and identities in various contexts, sometimes seen in dissociative identity disorder.

Dissociative Fugue

A rare psychiatric disorder characterized by reversible amnesia for personal identity, including the memories, personality, and other identifying characteristics of individuality.

Dissociative Amnesia

A dissociative disorder in which there is a complete or partial loss of the ability to recall personal information or identify past experiences.

Dissociative Identity Disorder

A severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memory and sense of identity, formerly known as multiple personality disorder.