Question

What is the need to balance chemical equations?

• A. To indicate the ratio of masses of reactants and products in which these react
• B. To indicate the ratio of volumes of reactants and products in which these react.
• C. To satisfy the law of conservation of mass.
• D. To satisfy the law of constant proportions.

Answer 1

Answer:

C. To satisfy the law of conservation of mass.

Balancing chemical equations is necessary to satisfy the law of conservation of mass, which states that matter is neither created nor destroyed. The law implies that mass can neither be created nor destroyed, although it may be rearranged in space, or the entities associated with it may be changed in form. For example, in chemical reactions, the mass of the chemical components before the reaction is equal to the mass of the components after the reaction.