The moles of water that are produced from 13.35 mol of oxygen is 26.70 moles (answer B)
calculation
2H2 +O2→ 2H2O
The moles of H2O is calculated using mole ratio.
that is; from the balanced equation above the mole ratio of O2 :H2O is 1:2
therefore the moles of water=13.35 moles x 2/1 =26.70 moles
