Which of the following is true of a balanced chemical equation? A) The total number of molecules of reactants has to be the same as the total number of product molecules
B) the total number of atoms in the reactant molecules doesn't have to equal the total number of atoms in the product molecules
C) The identity of the atoms in the reactants has to be the same as the identity of the atoms in the products
D) The physical state of the reactants has to be the same as the physical state of the products

A) The total number of molecules of reactants has to be the same as the total number of product molecules

Explanation:

In chemistry, a chemical equation consists of reactants and products. The reactants are the compounds/substances that chemically combine to give rise to the products. According to the law of conservation of mass, a chemical equation needs to be BALANCED.

A chemical equation is said to be BALANCED when the number of atoms/molecules on the reactant side is equal to that on the product side. In other words, total number of molecules of reactants has to be the same as the total number of product molecules

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