M %/titration ? it takes 23.78 mL of KOH so reach the end point. what is the m percent of the KOH?

a solid material is known to contain KC8H5O4 and other inert materials. a 2.344 g sample of this KC8H5O4 is dissolved in 100mL of water and titrated with .1108 M potium hydroxide. it takes 23.78 mL of KOH so reach the end point. what is the m percent of the KOH in the sample?