Calculate how many moles of NO2 form when each quantity of reactant completely reacts.
2N2O5(g) → 4NO2(g) + O2(g)
7.0 mol N2O5
Use the balanced equation to establish a relationship between N2O5 and NO2
It appears that for every 2 moles of N2O5, 4 moles of NO2 are produced