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Titration -I, / (Link KMNO,)Vs (Standard FAS), Burette readings, Concordant value, Volume of, S.no, standard FAS, Initial, Final, (Volume of KMNO,), (ml), (ml), (ml), (ml), 20, 20, Calculation:, Volume of KMNO, (link) solution (V,), --ml, Normality KMNO, (link) solution (N,), ----N, 4, Volume of standard FAS solution (V,), 20 ml, %3D, Normality of standard FAS solution (N,) = 0.1102 N, %3D, According to normality equation: V,x N, = V,x N,, %3D, V2 × N,, N, =, V,, Normality of KMNO, (link) solution, (N,) =, %3D, 4, Titration-II, (Unknown FeSO,) Vs (Link KMNO,), 4, Burette is washed with water, rinsed with KMNO, solution and filled with same KMnO,, solution up to the zero mark. Exactly 20 ml of unknown FeSO, solution is pipetted out into, the clean, washed conical flask. To this FeSO, solution approximately 20ml of 2N sulphuric, acid is added. This mixture is titrated against KMNO, Link solution from the burette. KMNO,, is added drop wise till the appearance of permanent pale pink colour. Burette reading is noted, and the same procedure is repeated to get concordant values., 4, 4, Scanned by TapScanner, II, 20, 1., 2), 3.
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Titration -II, (Link FeSO, )Vs (Unknown FeSO, solution), 4., Burette readings, Volume of, Concordant value, Initial, Final, Unknown FeS0,, (ml), S.no, (Volume of KMNO,), (ml), (ml), (ml), 20, 20, 20, Calculation :, Volume of Unknown FeSO, solution, Normality of Unknown FeSO, solution, Volume of KMnO, (link) solution, 20 ml, V,, N,, %3D, ?N, 4., ml, 4., 2, Normality KMNO, (link) solution, According to normality equation: V,× N, = V, x N,, N,, X N, %3D, 2., %3D, V, x N,, N, =, V,, 2., 2, %3D, Y, N,=, The normality of unknown Feso, solution =, N, Weight calculation:, The amount ofFeSO, dissolved in 1 lit of the, solution, = (Normality) x (equivalent weight), %3D, The amount of FeSO, dissolved in 750 ml of the, solution, 4., Normality x equivalentweight x 750, %3D, 1000, Y×278×3, %3D, 4, %3D, Report :, The amount of FeSO, dissolved in 750 ml of the solution = g, %3D, Scanned by TapScanner, 1., 23
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Aitration -I, Link KMNO,)Vs (Standard FeSO,), Burette readings, Concordant value, Volume of, Initial, Final, (Volume of KMNO, ), standard FeSO, (ml), S.no, (ml), (ml), (ml), 1., 20, 20, 20, Calculation:, Volume of KMNO, (link) solution, V,, ml, %3D, Normality KMNO, (link) solution, N,, ?N, %3D, 4, Volume of standard FeSO, solution, V2, 20 ml, %3D, Normality of standard FeSO, solution, N,, 0.1024 N, %3D, 4, According to normality equation:, According to normality equation: V,× N, = V,x N,, %3D, V, x N,, N,, V,, Normality of KMNO, (link) solution, (N,) =, %3D, Titration-II, (Unknown FAS) Vs (Link KMNO,) ), Burette is washed with water, rinsed with KMNO, solution and filled with same KMNO,, solution up to the zero mark. Exactly 20 ml of unknown FAS solution is pipetted out into the, clean, washed conical flask. To this FAS solution approximately 20ml of 2N sulphuric acid, is added. This mixture is titrated against KMNO, Link solution from the burette. KMNO, is, added drop wise till the appearance of permanent pale pink colour. Burette reading is noted, and the same procedure is repeated to get concordant values., 4., Scanned by TapScanner, 2., 3.