Can someone please answer this question??

Question

Given the following equation:

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

What is the mole-mole factor (ratio) of H₂O to O₂? 

______ mole H2O/mole O2

Answer 1

You need 5 moles O₂ to make 6 moles of H₂O. Therefore H₂O/O₂ = 6/5