Macmillan Learning At 2.12 atm and 503 K, what volume of NO2 gas forms from 49.80 g of O2? 4 NH3(g) +702(g) → 4 NO2(g) + 6 H2O(1) First, calculate the number of moles of NO, formed in this reaction and show the conversions required to solve this problem.

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