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Calculate the molar concentration of acetic acid (CHcCOOH) in the vineagar sample using the average volume of NaOH.

Assume that the density of vinegar is 1.00 g/mol.

Average volume of NaOH- 27.88

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nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in the nicotinic acid has a pH of 3.30 at 25C. what is the acid-ionization constant, Ka and pKa for this acid at 25C?
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