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Titration of Fe(II) solution with potassium permanganate, 1 of 7

Titration of Fe(II) solution with potassium permanganate. In this reaction pale green Fe2+ ion is oxidized to yellow Fe3+ while purple permanganate MnO4- is reduced to colorless Mn2+ ion: Fe2+ + MnO4- + H+ -> Fe3+ + Mn2+ + H2O. The Erlenmeyer flask contains Fe2+ solution (iron(II) ammonium sulfate, Fe(NH4)2(SO4)2) of unknown concentration, acidified with sulfuric acid (H2SO4). Burette above it contains 0.01M solution of potassium permanganate (KMnO4), left frame 1. Potassium permanganate is gradually added from the burette to the flask until the solution turns pink, right frame. At that point the volume of potassium permanganate used is recorded and the concentration of Fe2+ ions in the initial solution is calculated.
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Titel:
Titration of Fe(II) solution with potassium permanganate, 1 of 7
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Titration of Fe(II) solution with potassium permanganate. In this reaction pale green Fe2+ ion is oxidized to yellow Fe3+ while purple permanganate MnO4- is reduced to colorless Mn2+ ion: Fe2+ + MnO4- + H+ -> Fe3+ + Mn2+ + H2O. The Erlenmeyer flask contains Fe2+ solution (iron(II) ammonium sulfate, Fe(NH4)2(SO4)2) of unknown concentration, acidified with sulfuric acid (H2SO4). Burette above it contains 0.01M solution of potassium permanganate (KMnO4), left frame 1. Potassium permanganate is gradually added from the burette to the flask until the solution turns pink, right frame. At that point the volume of potassium permanganate used is recorded and the concentration of Fe2+ ions in the initial solution is calculated.
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5700 x 4328 px | 70.6 MB
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48.3 x 36.6 cm | 19.0 x 14.4 in (300 dpi)
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