Chemical equations show the ratio of reactants and products involved in a
chemical reaction. For example, 2 H2 + O2 → 2 H2O. How do balanced equations
satisfy the Law of Conservation of Mass?*
A. The number of reactant molecules equals the number of product molecules.
B. Every atom present in the reactants is also present in the products.
O C. The number of reactant molecules adds up to the number of product molecules.
D. The energy stored in bonds before and after the reaction is the same.
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Chemical equations show the ratio of reactants and products involved in a
chemical reaction. For e...
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