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.

0.35 g of an organic susbtance was Kjeldahilsed and the ammonia obtain

1.	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.
Answer» Volume of `(M)/(10)H_(2)SO_(4)` taken=100ml Excess volume of `(M)/(10)H_(2)SO_(4)` is 154 ml of `(M)/(10)NaOH=(154)/(2)ml` of `(M)/(10)H_(2)SO_(4)` `therefore` Volume of `(M)/(10)H_(2)SO_(4)` left unused=77ml Volume of `(M)/(10)H_(2)SO_(4)` used for neutralisation of `NH_(3)=100-77=23ml`.

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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.

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