(i) 4 NH3 (g) + 5 O2 (g) ---->4 NO (g) + 6 H2O (g)
(ii) 2 NO (g) + O2 (g) ----> 2 NO2 (g)
(iii)4 NO2 (g) + O2 (g) + 2 H2O (l) ----> 4 HNO3 (aq)
Mr Masinde answered the question on May 5, 2018 at 13:34
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