42. Solving a chemistry problem

42. Solving a chemistry problem

1. A weighed portion of the drug Ethinylestradiol was placed in a 50 ml flask and brought to the mark with a titration solution. Then 25 ml of the resulting solution was transferred into a 50 ml volumetric flask, brought to the mark with a titration solution and titrated with 0.1 M NaOH. Calculate how many ml of NaOH was spent on titration if the content of the analyte in the sample turned out to be 100%. Write a diagram of the quantification process, indicate the indicator, fix the equivalence point. (The molecular weight of the analyte is 296.4).

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