Find the 12 mole ratios between the reactants and products for the second reaction taking place in the airbags of cars. The balanced equation for the reaction is:10Na + 2KNO3 → K2O + 5Na2O + N2

The overall molar ratio of the products to the reactants may be determined by first finding the total moles reacting and the total moles produced.

Reaction: 10 + 2 = 12

Produced: 1 + 5 + 1 = 7

Overall ratio = 12 : 7

A similar method is carried out for determining the molar ratio with respect to specific components.