Story
NEET AITS
Story
Mock Tests
Story
Live Class
Story
JEE AITS

Quantitative analysis

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
Question

In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralized 10 mL of 1 M H2SO4. The percentage of nitrogen in the soil is

Easy
Solution

H2SO4+2NH3NH42SO4

10 mL of 1MH2SO4=10mmol M×V(mL)=mmol

NH3 consumed =20mmol

 Acid used for the absorption of ammonia 

=20-10mmol

=10 mL of 2 N (or 1M)H2SO4

% of N=1.4×N×VW=1.4×2×100.75=37.33%


Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!
ctaimg

ctaimg

Similar Questions

In Kjeldahl's method the first stage is to convert nitrogen of the compound to :

Want to Improve your productivity
talk to our academic experts now !!

counselling
india
+91

whats app icon