2. Weighed portion of the drug Hexestrol weighing 0.1995g. placed in a 1 ml flask and made up to the mark with titration solution. Then 1 ml of the resulting solution was transferred into a 50 ml volumetric flask, brought to the mark with a titration solution and titrated with 0.5 M NaOH. 1.381 ml of NaOH was used for titration. Write a diagram of the quantification process, indicate the indicator, fix the equivalence point. Calculate the titer and content of the active substance in the sample. (The molecular weight of the analyte is 270.37).

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