Question

Charlie is balancing an equation. She has identified the atoms and counted the number of each in the reactants and products. What would Charlie adjust to make the number of atoms in the reactants the same as the number of atoms in the products?

A: coefficients
B: subscripts
C: superscripts
D: parentheses

Answer 1

The answer to your question is A. Coefficients. 

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Answer 2

Answer;

A: coefficients

Explanation;

The Law of Conservation of Mass states that matter cannot be created or destroyed. Thus, the mass of substances produced in a chemical reaction is always equal to the mass of reacting substances. Therefore, there is need to have the same number of each type of element on each side of a chemical equation.

Coefficients of products and reactants are used to balance the number of atoms of an element on both sides of a chemical equation.