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Question

What is the mass ratio of nitrogen to hydrogen in an ammonia molecule?

A
3:14
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B
1:8
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C
8:1
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D
14:3
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Solution

The correct option is D 14:3

The atomic mass of nitrogen is 14 u

The atomic mass of hydrogen is 1 u

So, mass ratio of N and H in ammonia i.e. NH3 = 14 : 3 (N:3H).


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