62. Solving a chemistry problem
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62. Solving a chemistry problem
2. Nitrogen from a weighed sample of 0.5000 g was reduced to ammonia, which was passed through 50.00 ml of a hydrochloric acid solution with an ammonia titer of 0.003400 g/ml. The acid excess was titrated with 12.00 ml of potassium hydroxide solution with T(KOH/H2SO4)= 0.01470 g/ml. What percentage of nitrogen is in the sample?
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