38. Solving a chemistry problem
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38. Solving a chemistry problem
66. Coulometric titration of KMnO4 with electrically generated Fe2 ions used a current of 150 mA. The equivalence point when titrating 3.5 ml of the studied KMnO4 solution is reached in 2 min 13 s. Determine the equivalent concentration (normality) of the KMnO4 solution.
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