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CBSE Class 9 Answered

the ratio by mass of nitrogen and hydrogen in ammonia is 14:3 . calculate the ratio by number of atoms of elements in ammonia molecule .
Asked by jiyajthakor | 28 Feb, 2022, 07:03: PM
Expert Answer

The ratio by number of atoms can be found as:

Element
Ratio by Mass
Atomic mass (u)
Mass ratio   
Atomic mass
Simplest ratio
N
H
14
3
14
1
14/14 = 1
3/1 = 3
1
3
 
Thus the ratio by number of atoms for ammonia is 1:3

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