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In Kjeldahl's method , ammonia from 5 g ...

In Kjeldahl's method , ammonia from 5 g of food neutralizes `30 cm ^(3)` of 0.1 N acid .The percentage of nitrogen in the food is ………

A

0.84

B

8.4

C

16.8

D

1.68

Text Solution

Verified by Experts

The correct Answer is:
A
Percentage of nitrogen `=(1.4 xx N_(1) xx V)/w`
`=(1.4 xx 0.1 xx 30)/5 = 0.84 %`
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