A metal nitride M(3)N(2) contains 28 % o...

A metal nitride `M_(3)N_(2)` contains 28 % of nitrogen. The atomic mass of metal M is

A

24

B

54

C

9

D

87.62

Verified by Experts

The correct Answer is:

A

Let x be atomic mass of metal, M , Now, `(28)/(100)(3x + 28) = 28 rArr x = 24`

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