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0.35 g of an organic susbtance was Kjeld...

0.35 g of an organic susbtance was Kjeldahilsed and the ammonia obtained was passed into 100ml of M/`10H_(2)SO_(4)` The excess acid required 154 ml of `M//10 NaOH` for neurtralisation, calculate the % of nitrogen in the compound.

A

18.4

B

28.4

C

38.4

D

48.4

Text Solution

Verified by Experts

The correct Answer is:
A
% of `N_2 = 28 xx 0.1 xx ((100-(154)/(2)))/(1000 xx 0.35) xx 100`
`=(28(0.1)(23))/(3.5)=18.4`
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