Interpretation:
Mass of acetic acid in grams present in 185 mL of vinegar needs to be determined if it is 5.00% acetic acid by mass and has density 1.02 g/mL.
Concept introduction:
The relation between density, mass and volume is as follows:
Here, m is mass and V is volume.

Answer to Problem 23PP
In 185 mL of vinegar, 9.45 g of acetic acid is present.
Explanation of Solution
Volume of Vinegar
Density of vinegar
Since,
Therefore, by putting the value of density and volume, the mass of vinegar in grams
Now, in vinegar, 5% is acetic acid, so
Thus, 9.45 g of acetic acid is present in vinegar.
Thus, the mass of acetic acid in 185 mL vinegar is 9.45 g.
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