If 0.75g of an organic compound in Kjeldahl’s method neutralized 30 ml of 0.25 $\mathrm{N}-{\mathrm{H}}_2{\mathrm{SO}}_4$, the percentage of nitrogen in the compound is

In analytical chemistry, the Kjeldahl method or Kjeldahl digestion is a method for quantifying the nitrogen content of organic molecules as well as the nitrogen content of the inorganic compounds ammonia and ammonium.