140. Solving a chemistry problem
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- The 8-hydroxyquinoline solution was titrated with bromine generated from KBr in the presence of H2SO4 at constant current I. The end of the reaction was determined biamperometrically.
Determine the mass of 8-hydroxyquinoline (mg) if the electrolysis time was t, and for the oxidation of 1 mol of oxyquinoline 2 mol of Br2 is required:
Option 1
I, mA 6.0
t, s 75
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