How do you find the mass percent of OH- in an unknown sample of antacid size of 0.2274 g titrated with a 0.1M NaOH solution endpoint being 29.5 mL.Not sure if relevant but 50mL of 0.1 HCl was added before titration.Show work with explanation please.
How do you find the mass percent of OH- in an unknown sample of antacid size of 0.2274