True or False, acids contain a "H group" and bases contain an "OH group"

An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid

Chemistry worksheet - i am not sure what they are asking for exactly?

Is this correct if not can u correct me