Solve this following
Question:

$29.5 \mathrm{mg}$ of an organic compound containing nitrogen was digested according to Kjeldahl’s method and the evolved ammonia was absorbed in $20 \mathrm{~mL}$ of $0.1 \mathrm{M} \mathrm{HCl}$ solution. The excess of the acid required 15 $\mathrm{mL}$ of $0.1 \mathrm{M} \mathrm{NaOH}$ solution for complete neutralization. The percentage of nitrogen in the compound is

  1. $29.5$

  2. $59.0$

  3. $47.4$

  4. $23.7$


Correct Option: , 4

Solution:

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