A 0.421-g sample of asprin prepared in ther laboratory isdissolved in 95% ethanol, diluted with water, and titrated to thephenolphthalein endpoint with 17.3 mL of 0.114 M NaOH.
a. How many moles of acetylsalicylic acid (molar mass = 180.2g/mol) are present in the sample?
b. Caculate the percent purtity of aceylsalicylic acid in theasprin sample.