A 0.3174 g sample of an unknown acid requires 26.23 ml of 0.1056 M NaOH for neautralization to a phenolphthalein end point . There are 0.25 ml of 0.1096 M HCL used for back-titration.
How many moles of OH- are used? How many moles of H+ from HCL
How many moles of H+ are there in the solid acid
what is the molar mass of the unknown acid?