Answered

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A jug of vinegar is 15% (by mass) acetic acid. If a container holds 500 g of this product, how much acetic acid does it contain?

Sagot :

Answer:

It contains 75g of acetic acid.

Explanation:

With the percent mass (15%) and the mass of the solution of vinegar, we can calculate the amount of acetic acid, using the percent by mass formula:

[tex]\begin{gathered} PercentByMass=\frac{MassOfSolute}{MassOfSolution}*100\% \\ 15\%=\frac{MassOfSolute}{500g}\times100\operatorname{\%} \\ \frac{15\%}{100\operatorname{\%}}*500g=MassOfSolute \\ 75g=MassOfSolute \\ \end{gathered}[/tex]

So, it contains 75g of acetic acid.

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