116. Solving a chemistry problem

116. Solving a chemistry problem

5. Calculate the range of volumes of 0.1 M sodium nitrite solution (KP = 0.9979), which will ensure the quality of streptocide tablets (M.m. 172.21) of 0.5 g in terms of quantitative content, taking into account the requirements of GF X, steel. 634 (streptocide should be 0.475-0.525 g, counting on the average weight of one tablet), if the weight of the powder of crushed tablets is 0.2500 g. The average weight of one tablet is 0.650 g.

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