126. Solving a chemistry problem
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43g. Using the data below, calculate at what value of direct current the coulometric titration of sodium thiosulfate with electrogenerated iodine should be carried out in the presence of a starch indicator, if the approximate mass of sodium thiosulfate in the solution is t mg and for the appearance of a blue color of the solution it is necessary to pass current for time τ.
What auxiliary reagent can be used in this case to obtain a titrant? Write the equations for the reactions taking place on the generator electrode and in the solution.
Option D,
M, mg 10
t, min 5
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