16. How much % of H is present in NH↓3?
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17.65 %
Explanation:
Molecular weight of NH₃ = 17 g
Molecular weight of N₂ in NH₃ = 14 g
Molecular weight of H₂ in NH₃ = 3
% of H = 3/17 × 100
= 17.65 %
% of N₂ = 14/17 × 100
= 82.35 %
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