42. Solving a chemistry problem
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15. Build titration curves and choose an indicator for titration: a)
0.1N FeSO4 with 0.1N KMnO4 solution at a concentration of hydrogen ions equal to 1.0 g•ion/l and 10-3 g•ion/l;
0.1N FeSO4 with 0.1N KMnO4 solution at a concentration of hydrogen ions equal to 1.0 g•ion/l and 10-3 g•ion/l;
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