Vinegar can be assayed to determine its acetic acid content. Determine the molarity of acetic acid in a 15.00 mL sample of vinegar that requires 22.70 mL of a 0.550 M solution of NaOH to reach the equivalence point. If the vinegar has a density of 1.102 g/mL, what is the percent composition of acetic acid in vinegar?

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