MANSOURA NATIONAL UNIVERSIY PHARM D- CLINICAL PHARMACY LEVEL I PHARM. ANAL. CHEM. I (PC 101) Illustrative diagrams for the titration of NaOH ≠ standard HCl Na 2CO 3 ≠ standard HCl NaHCO 3 ≠ standard HCl 39 | P a g e