Acidity of Vinegar

To determine the acidity of vinegar, the acetic acid is neutralized with a sodium hydroxide solution. The used amount of the solution (difference between buret start and end value) is equivalent to the acidity.

N (mol/l)

Calculation example:

Volume of the titrated vinegar sample: 10.00 ml
Concentration of the sodium hydroxide solution: 1.00 N (mol/l)
Sodium hydroxide solution consumed: 7.66 ml

The acid content of the vinegar is 4.60%.

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