Which of the mole ratios would be used to set up the below problem? how many liters of ammonia gas (nh3), can be formed from 54.1 liters of hydrogen gas (h2) at stp? 3h2 + n2 --> 2nh3 question options: 3 moles h2 1 mole n2 3 moles h2 1 mole nh3 2 moles nh3 3 moles h2 1 mole n2 2 mole nh3