Calculate the PH of a Solution That Is 7

question 11

Multiple Choice

Calculate the pH of a solution that is 7.22  10^-4 M C₆H₅NH₂. K_b is 3.8  10^-10.

• A) 6.28
• B) 7.72
• C) 6.50
• D) 7.50
• E) none of these

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Definitions:

Serotonin System

A complex network of nerve cells and pathways in the brain that utilize serotonin, a neurotransmitter important in regulating mood and behavior.

Antidepressants

A class of drugs designed to alleviate symptoms of depression by correcting chemical imbalances of neurotransmitters in the brain.

Benzodiazepines

A class of psychoactive drugs known to act as central nervous system depressants, used primarily for anxiety, insomnia, and seizures.

Norepinephrine System

A part of the nervous system involving the neurotransmitter norepinephrine, affecting mood, attention, and the fight-or-flight response.