A 2500-ML Sample of Propionic Acid,HC₃H₅O₂,of Unknown Concentration Was Titrated with with 0.145

question 44

Multiple Choice

A 25.00-mL sample of propionic acid,HC₃H₅O₂,of unknown concentration was titrated with 0.145 M KOH.The equivalence point was reached when 43.02 mL of base had been added.What was the original concentration of the propionic acid?

• A) 0.295 M
• B) 0.125 M
• C) 0.084 M
• D) 0.145 M
• E) 0.250 M

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Definitions:

Sympathetic Arousal

Activation of the sympathetic nervous system, leading to physiological changes such as increased heart rate and blood pressure, often in response to stress or threat.

Fight or Flight

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

Inhibitory Neurotransmitters

Chemicals released from the neuron that prevent the next neuron from firing, thereby decreasing brain activity or stopping specific brain signals.

Vegetative Functions

Bodily processes necessary for life that occur involuntarily, such as breathing, heart rate, and digestion.