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SAT, 11.11.2020 05:10 taylorray0820

Cecil writes the equation for the reaction of hydrogen and oxygen below. H2 + O2 → H2O

Why does his teacher ask him to balance the equation by including the correct coefficients?

to show that most molecules exist in pairs
to show that most compounds exist in pairs
to show that atoms are conserved in chemical reactions
to show that atoms are created in chemical reactions

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Cecil writes the equation for the reaction of hydrogen and oxygen below. H2 + O2 → H2O

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