6.3.1 Fractional precipitation Experiment: IL of a solution Addition of drops of 1.0 x 10-3 mol.L-1 1.0 x 10-3 mol/LI AgNO3 first 1.0 x 10-3 mol/L CI later Addition of drops .Why? of 1.0 x 10-3 mol.L-1 1.0 x 10-3 mol/L I- AgNO3 AgI(s)later 4.0 x 108 mol/L CI- AgCl(s)firstAgCl(s) later AgI(s) first 1L of a solution 6.3.1 Fractional precipitation Experiment： •Why? Addition of drops of 1.0 x 10-3 mol.L-1 1.0 x 10 AgNO3 -3 mol/L I- 1.0 x 10-3 mol/L Cl￾AgCl(s) first AgI(s) later Addition of drops of 1.0 x 10-3 mol.L-1 1.0 x 10 AgNO3 -3 mol/L I- 4.0 x 108 mol/L Cl-