Vinegar Is a Solution of Acetic Acid, HC₂H₃O₂, Dissolved in Water

question 80

Multiple Choice

Vinegar is a solution of acetic acid, HC₂H₃O₂, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

• A) 0.0543%
• B) 1.08%
• C) 3.26%
• D) 5.43%
• E) 9.23%

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Definitions:

Sympathetic

Part of the autonomic nervous system that increases the body's readiness for action in stress situations.

Parasympathetic

Part of the autonomic nervous system that conserves energy by slowing the heart rate, increasing intestinal and gland activity.

Physical Activity

Any bodily movement produced by skeletal muscles that require energy expenditure, crucial for maintaining physical health.

Sympathetic

Part of the autonomic nervous system that prepares the body for stress-related activities, often referred to as the "fight or flight" response.