question_answer

In Dumas method of estimation of nitrogen. 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be (Aqueous tension at 300 K = 15 mm)

A)  16.45                   

B)     17.45                   

C)     14.45                                   

D)     15.45