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1.15 g of an organic compound was analys...

1.15 g of an organic compound was analysed by Kjeldahl's method and the ammonia produced was collected in 30 mL of normal HCl solution. The excess of acid consumed 18.4 mL of normal sodium hydroxide solution for back titration. Calculate the percentage of nitrogen in the substance.

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`N = 14.12%`
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Knowledge Check

  • For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evoled ammonia was absorbed in 60 mL of M/10 sulphuric acid. The unreacted aicd required 20 mL of M/10 sodium hydroxide for complete neutralisation. The precentage of nitrogen in the compound is-

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