Question

Vinegar contains

• A. 10-20% acetic acid
• B. 10% acetic acid
• C. 6-10% acetic acid
• D. 100% acetic acid

Hint:

Vinegar typically contains 6-10% acetic acid, making it a weak acid solution used in cooking and as a preservative.

Answer 1

The Correct Option is C

Step 1: Understand vinegar composition.
Vinegar is a dilute solution of acetic acid (CH$_3$COOH) in water. The concentration of acetic acid in vinegar typically ranges from 6% to 10%.
Step 2: Analyze the options.
- 10-20% acetic acid (Option A) is too concentrated for vinegar. - 10% acetic acid (Option B) is a common concentration, but the typical concentration range for vinegar is slightly lower. - 6-10% acetic acid (Option C) is the correct range for typical vinegar concentration. - 100% acetic acid (Option D) is pure acetic acid, which is not the composition of vinegar.
Step 3: Apply to the options.
The correct concentration of acetic acid in vinegar is 6-10%, so the correct answer is (C).
Final Answer: \[ \boxed{\text{6-10% acetic acid}} \]