[ Chemistry ] Open Question : Concentration of Unknown Acid?

Using the volume of base at the equivalence point, its molarity, and the fact hat you used 25.0 mL of acid, calculate the concentration of the unknown acid. Volume of unknown acid: 25.0 mL Molarity of base: 0.1M Volume of base at equivalence point: 24.50 mL

Source: http://answers.yahoo.com/question/index?qid=20120319235857AAzy4JY

Jennifer Lopez Kanye West Christina Aguilera