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13 September, 12:17

What do Coefficients in a chemical equation express

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  1. 13 September, 14:14
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    the coefficients in a chemical equation give the number of molecules (or atoms) involved in the reaction. In the example reaction, two molecules of hydrogen react with one molecule of oxygen and produce two molecules of water. Second: the coefficients give the number of moles of each substance involved in the reaction.
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