Page 48 - PC 101 practical notes 24-25..
P. 48

MANSOURA NATIONAL UNIVERSIY
         PHARM D- CLINICAL PHARMACY                        LEVEL I                        PHARM. ANAL. CHEM. I (PC 101)



          Concentration:

                                          2E.P 1 x F x 1000
               Concn. of Na 2CO 3 =                               = ..........  g/L
                                                   10
           For NaHCO 3 :

                                      NaHCO 3 + HCl → NaCl + CO 2 + H 2O


                                                 1 HCl ≡ 1 NaHCO 3

                                               standard       sample

          Equivalence factor (F):

                                              1 x M.W. of NaHCO 3 x 0.2
              each ml of 0.2 N HCl ≡                                              ≡ ..........  g NaHCO 3
                                                          1 x 1000

          Concentration:

                                          (E.P 2 - 2E.P 1) x F x 1000
              Concn. of NaHCO 3 =                                           = ..........  g/L
                                                        10
          Results:


             E.P 1 =


             E.P 2 =


             Concn. of Na 2CO 3 =

             Concn. of NaHCO 3 =




                Explanation






              Demonstration

                    of the

                experiment






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