Another student titrated a 0.4681 g sample of unknown monoprotic acid with 0.11187 M sodium hydroxide per the procedure in Part II. Utilizing the first derivative curve, determined the equivalence point volume to be 28.76mL sodium hydroxide. a. Compute the number of moles of sodium hydroxide used in the titration. b. Explain how many equivalents of unknown acid were titrated? c. Find out the equivalent mass of the unknown acid