113. Solving a chemistry problem
0.4025 g of a preparation containing ascorbic acid was dissolved in distilled water. For titration of this solution, 45.4 ml of an iodine solution with T J / ask. = 0.008806 g / ml were used. Determine the mass fraction of ascorbic acid in the preparation, taking into account its conversion according to the half-reaction C6H8O6 - 2е = C6H6O6 2H
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