Which feature of a balanced chemical equation demonstrates the law of
conservation of mass?
A. It has the same types of atoms on both sides of the reaction
arrow.
B. It shows the reactants of a chemical reaction to the left of the
reaction arrow.
C. It shows the products of a chemical reaction to the right of the
reaction arrow
D. It has coefficients to show how much of each substance a
chemical reaction uses.
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Answer:

Another answer is : It has equal numbers of each type of atom in its reactants and products.

Explanation:

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Given the data from the question, the correct statement is:

  • It has the same types of atoms on both sides of the reaction arrow (Option A)

What is a chemical equation?

Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.

The reactants are located on the left side while the products are located on the right side.

Reactants —> Products

The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

From the law of conservation of matter, it is evident that the same atoms of the element in the reactants are present in the products.

Thus, we can conclude that the correct answer to the question is: It has the same types of atoms on both sides of the reaction arrow (Option A)

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