Read the chemical equation. N2 + 3H2-> 2NH3 Using the volume ratio, determine how many liters of NH3 is produced if 4.2 liters of H2 reacts with an excess of N2, if all measurements are taken at the same temperature and pressure? A) 2.8 liters B) 3.2 liters C) 5.4 liters D) 6.3 liters