You dissolve a 0.553 g sample of an unknown monoprotic weak acid in water to a total volume of 20.0 mL in a flask, and you put 0.1103 M NaOH in a buret. You begin titrating and observe an equivalence point at 28.47 mL of added base. What is the molar mass of the acid?

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.