Show all work to when resolving; If 6.2 moles of nitrogen monoxide (NO) react with 13.0 moles of oxygen gas (O2), how many moles of the product can be formed and how many moles of the excess reactant will be left over when the reaction is complete? The post Show all work to when resolving; If 6.2 moles of nitrogen monoxide (NO) react with 13. first appeared on Nursing School Essays.