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Question #65477

1 Answer

nanisabillon22 · Stefan V.

Dec 13, 2017

It means that you have the same number of atoms on each side of the equation.

Explanation:

#2"H"_2 + "O"_2 -> 2"H"_2"O"#

On the reactants side, you have #4# hydrogen atoms and #2# oxygen atoms. On the products side, you also have #4# hydrogen atoms and #2# oxygen atoms.

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