Part B- Molar mass of unknown acid Using the volume of the second equivalence point, find the moles of acid present, and the molar mass of the unknown acid. Concentration of NaOH used in the titration (M) 0.500 Moles NaOH needed to reach the second equivalence point. Moles of unknown acid. Mass of unknown acid in grams (g) 0.750 Molar mass of unknown 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.