A food chemist determined the concentration of acetic acid in a sample of apple cider vinegar.The volume of 1.215 M NaOH required to titrate a 25.00 mL sample of the vinegar was 19.85 mL.The density of the sample was 1.01 g/mL.What are
A) the molar concentration and
B) the percent by mass of acetic acid in this vinegar? (CH3COOH, 60.05 g/mol)
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