​Calculate [H+] in a 0

question 66

Multiple Choice

​Calculate [H+] in a 0.026 M solution of HCN, K_a = 6.2 ×10^-10.

• A) 6.5 ×​10^-7 M
• B) ​2.5 ×​10^-9 M
• C) ​6.2 ×​10^-10 M
• D) ​4.0 ×​10^-6 M
• E) ​1.5 ×​10^-4 M

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Definitions:

Bitter-Tasting Substance

A type of chemical compound that activates taste receptors on the tongue responsible for sensing bitter flavors, often serving as a natural deterrent against consumption.

Exposure Therapy

A psychological treatment method that involves confronting fears directly to reduce the anxiety associated with them.

Systematic Desensitization

is a behavioral therapy technique used to reduce phobias and anxieties by gradually exposing the patient to the anxiety source or its context without the intention to cause any harm.

Cognitive-Behavioral Therapy

Cognitive-behavioral therapy is a form of psychological treatment that addresses maladaptive thinking patterns to improve emotional regulation and develop personal coping strategies.