A compound contains 28% N 2 and 72% of a metal by weight. 3 atoms of the metal combines with 2 atoms of N. The atomic weight of metal is

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TestHub · Accepted Answer

Here 3 atoms of the metal combines with 2 atoms of N
Hence, the formula of the compound $= M_{3} N_{2}$
Suppose the atomic weight of metal = X
28 g of nitrogen combines $= 3 X g$ metal
From question, 28 g nitrogen combines = 72 g metal
$3 X = 72$
So $X = 24$
Atomic weight of metal = 24.

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