3. 25 cm3 of NH4C1 solution was poured into the device for determining ammonium salts by distillation and treated with concentrated NaOH solution. Ammonia was distilled off in 50 cm3 of HCl solution (THCl = 0.003646 g/cm3). Then the excess HCl was titrated with 23.05 cm3 of an alkali solution with TNaOH = 0.004015 g/cm3. How many grams of ammonium chloride are in the sample taken?
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