Nitric acid, HNO3, is produced along with water by the reaction of oxygen, O2, with ammonia, NH3, and water, H20, in a series of steps, with the unbalanced net reaction shown below. - NH3 +- 02→_ HNO3 + _H20 If the coefficient of NH3 is 1 in the balanced chemical equation of the reaction, what is the coefficient on O2? 4

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