52. Solving a chemistry problem
5. 7.6240 g of potassium alkali were dissolved in a volumetric flask with a capacity of 500 cm3. For titration of 25 cm3 of the resulting solution, 32.2 cm3 of hydrochloric acid with a titer of THCl / K2O = 0.006442 g/cm3 was used. What percentage of KOH is in the sample?
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