116. Задачка по химии №011 682

Give a conclusion on the quality of thiamine chloride by quantitative determination, taking into account the requirements of ND (there must be at least 93.0% thiamine chloride in terms of dry matter), if 5.56 ml was consumed for its sample equal to 0.0982 g 0.1 mol/l perchloric acid solution (K = 1.0105). The weight loss on drying was 3.0%. Mm. thiamine chloride 337.27. 0.06 ml of titrant was used for the control experiment.

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