Question
Balsamic vinegar contains $5 \%$ acetic acid, so a 32 -oz bottle of balsamic vinegar contains _____ ounces of acetic acid.
Step 1
This is done by moving the decimal point two places to the left. So, $5\%$ becomes $0.05$. Show more…
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Balsamic vinegar contains 5$\%$ acetic acid, so a 32 -oz bottle of balsamic vinegar contains ________ ounces of acetic acid.
Prerequisites
Modeling with Equations
Vinegar contains about $5.5 \%$ acetic acid by mass. Assuming that the density of vinegar is the same as that of water, $\left(1.0 \mathrm{~g} \cdot \mathrm{mL}^{-1}\right)$, calculate the $\mathrm{pH}$ of a typical vinegar solution at $25^{\circ} \mathrm{C}$.
Vinegar is an aqueous solution of acetic acid. A $21.0-\mathrm{mL}$ sample of vinegar requires $38.5 \mathrm{~mL}$ of $0.400 \mathrm{M} \mathrm{NaOH}(a q)$ to neutralize the $\mathrm{CH}_{3} \mathrm{COOH}(a q) .$ Given that the density of the vinegar is $1.060 \mathrm{~g} \cdot \mathrm{mL}^{-1}$, calculate the mass percentage of acetic acid in the vinegar.
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