The figure shows the chemical reaction between nitrogen gas and hydrogen gas to produce ammonia (NH3) gas. Which of the following changes would make the diagram correctly represent conservation of mass? o Se Multiple Choice Add one H2 molecule from the image on the left. Add three NH3 molecules to the image on the right. Remove one H2 molecules from the image on the left. Add three H2 molecules to the image on the right Remove one NH3 molecule from the image on the left