ChemistryChemical combinationWAEC
Calculate the percentage by mass of nitrogen in ammonium trioxonitrate(V), NH₄NO₃. [N = 14, H = 1, O = 16]
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Answer: A. 35%
Molar mass = 80; nitrogen = 28; 28/80 × 100 = 35%. There are two nitrogen atoms.
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