Question

2H2 + o2 = 2 H2O
Number of moles of water

Answer 1

2 H2 + O2 → 2 H2O, you get the same number of moles of water as H2, as long as you have 1 mole of O2. So, with 3 moles of H2, as long as you have 1.5 moles of O2, you will get 3 moles of H2O.

Answer 2

2 moles of water

Step-by-step explanation:

its given 2 H2O