25. Решение задачки по химии №19

7. Phenobarbital 0.05
Calcium gluconate 0.25
Calculate the content of active ingredients if 3.5 ml of 0.02 mol/l sodium hydroxide solution (K = 0.99) was used for the titration of phenobarbital in a sample of powder weighing 0.1 g, and 4.65 ml for the titration of calcium gluconate in a sample of 0.05 g. 0.02 mol/l. Trilon B solution (K=1.01). Assess the quality of the prepared dosage form in accordance with Order No. 305 of the Ministry of Health of the Russian Federation.
Mr (phenobarbital) 232.24
Mr (calcium gluconate) 448.4

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