​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:

Internal Stimuli

Signals originating from within the body that influence feelings, thoughts, or behaviors, such as hunger, pain, or internal emotional states.

Innate Patterns

Fixed sequences of behavior or instincts present in animals from birth, not learned from experience, and manifest under certain conditions to ensure survival.

Biologically Determined

Characteristics or behaviors that are influenced by genetic makeup or inherent in the biology of an organism.

Physical Arousal

The physiological and psychological state of being awoken or activated, often in response to a stimulus.