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If a reaction ends with 5.5 grams of products, how many grams of reactants were required to start the reaction?
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If a reaction ends with 5.5 grams of products, how many grams of reactants were required to start the reaction?

User Kkemple
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29 votes
5.5 grams of reactants. According to the Law of Conservation of Mass, mass isn’t created or lost through any chemical changes, so the total mass should remain constant from the initial reactants to the final products.
User Florian Gutmann
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