10. Solving a chemistry problem
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10. Solving a chemistry problem
109. A 1.1600 g portion of a hydrogen peroxide solution was transferred to a 200 ml volumetric flask, brought to the mark with water and mixed. For 20 ml of this solution during titration, 30.05 ml of a KMnO4 solution were consumed, T (KMnO4 / O2) = 0.000450 g / ml. Determine the mass fraction of active oxygen in the taken amount of H2O2.
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