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Mansoura National University
            Pharm D-Clinical Pharmacy Program                 Level 1             Pharm. Anal. Chem. 1 (PC 101)


                 3                        Titration of NaHCO3 against standard HCl



                    Equations     NaHCO      +            HCl  →    NaCl + CO  + H O    At the equivalence
                                                                                               point,
                                                                          2
                                                                                2
                                  3
                       Sample (pH ≈ 8.3)     Titrant               (pH ≈ 3.8 )
                                                                                             pH ≈ 3.8




                    Titration curve















                                                                            -
                   Conclusion                             E.P M.O.  ≡ HCO               -
                                                                           3
                                     ( ph.ph. can not be used for determination of HCO  sample )
                                                                                       3


                               ph.ph.
                                                                             M.O.
                   Representative Diagram


























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