Chemistry

Chemistry

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 H21\text{ molecule of }H_2O\text{ and }3\text{ molecules of }H_2 b) 2 molecules of H2O and 2 molecules of H22\text{ molecules of }H_2O\text{ and }2\text{ molecules of }H_2 c) 2 molecules of H2O only2\text{ molecules of }H_2O\text{ only} d) 4 molecules of H2O4\text{ molecules of }H_2O

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