Use the reaction below for the combustion of ammonia gas to produce nitrogen monoxide and water vapour. What volume of oxygen is needed to react fully with 720.0 mL of NH3 ?

4NH3(g) + 5O2(g)
4NO(g) + 6 H2O(g)

Question 3 options:

a)

1.02 L


b)

720. mL


c)

540. mL


d)

960 mL