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    Question

    What is the percent of acetic acid in commercially

    available vinegar?
    A 2% Correct Answer Incorrect Answer
    B 4% Correct Answer Incorrect Answer
    C 6% Correct Answer Incorrect Answer
    D 10% Correct Answer Incorrect Answer

    Solution

    Standard vinegar contains4–5% acetic acid, produced via fermentation by Acetobacter. Higher concentrations (e.g., 10%) are for industrial use. 

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