0.31g of N-containing compound on reaction with NaOH gave NH3 which required 100mL of 0.1N HCl.hence,% of N is: (a)45.16% (b)90.32% (c)22.58% (d)11.29% Share with your friends Share 1 Geetha answered this As per Kjeldahl method% of N= 1.4 × Volume of the acid × Strength of the acidWeight of organic compound = 1.4 × 100 × 0.10.31 = 45.16 %Thus option a is correct -3 View Full Answer