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Vinegar is an aqueous solution of acetic acid HC2H3O2. A 12.5mL sample of vinegar was titrated with a 0.504 M solution of NaOH. The titration needed 15.40 mL of the base solution in order to reach the endpoint. Explain what is the molar concentration of HC2H3O2 in vinegar? Define what is the amount in grams of vinegar that was titrated? Define what was the amount in grams of NaOH?

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