What do the coefficients in the following balanced chemical equation mean?
2H2 + O2 → 2H2O
A) 2 moles of oxygen and 1 mole of hydrogen in the products
B) 2 moles of hydrogen and 1 mole of oxygen in the products
C) 2 moles of oxygen and 1 mole of hydrogen in the reactants
D) 2 moles of hydrogen and 1 mole of oxygen in the reactants
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