Question

Which best describes the law of conservation of mass?

a) The coefficients in front of the chemicals in the reactants should be based on the physical state of the products.
b) Products in the form of gases are not considered a part of the total mass change from reactants to products.
c) When reactants contain both a solid and a liquid, the solid counts toward the overall mass and the liquid does not.
d) The mass of the reactants and products is equal and is not dependent on the physical state of the substances.

Answer 1

The law of conservation of mass states that the mass of the reactants and products in a chemical reaction is equal and is not dependent on the physical state of the substances involved.

Step-by-step explanation:

The law of conservation of mass states that the mass of the reactants and products in a chemical reaction is equal and is not dependent on the physical state of the substances involved.

This means that the total mass of the substances before the reaction (reactants) must be the same as the total mass of the substances after the reaction (products).

For example, if you have a chemical reaction where you start with 10 grams of a reactant, the total mass of all the products at the end of the reaction must also be 10 grams.