In a sealed container, 4 molecules of H₂(g) are mixed with 1 molecule of O₂(g) and…
CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance
Problem
In a sealed container, 4 molecules of H₂(g) are mixed with 1 molecule of O₂(g) and allowed to react completely according to 2 H₂(g) + O₂(g) → 2 H₂O(g). Which of the following best represents the particles present in the container after the reaction has gone to completion?
(a) 1 molecule of H2O and 3 molecules of H2
(b) 2 molecules of H2O and 2 molecules of H2
(c) 2 molecules of H2O only
(d) 4 molecules of H2O