Question

CLEAR THE DOUBT. CHECK ATTACHMENT.

Answer 1

percentage of nitrogen by kjeldahl's method is given by this equation....
$per. \: of \: n \: = \frac{14 \times n \times v \times 100}{mass \: of \: organic \: compound \: \times 100}$
here.. n= normality of H2SO4
v= volume of used H2SO4
here.. in your solution.. 0.5 is mass of organic compound..!!!

you can check all terms in your solution by this formula.!!


hope this helps......
any doubt.. please ask