Zakirasimmonszsgo Zakirasimmonszsgo Chemistry Answered 5. If 4 moles of nitrogen gas reacts with excess hydrogen gas, how many moles of NH3 will be produced? Be sure to balance the equation first. __N2 + __ H2 → __ NH3 a. 8 moles NH3 b. 4 moles NH3 C. 2 moles NH3 d. 12 moles NH3