Question

According to the law of conservation of mass, which statement about chemical reactions is always true?(1 point)
Responses

The number of atoms of each element in the reactants is the same as the number of atoms of each element in the products.
The number of atoms of each element in the reactants is the same as the number of atoms of each element in the products.

The number of molecules in the reactants is the same as the number of molecules in the products.
The number of molecules in the reactants is the same as the number of molecules in the products.

The states of the substances in the reactants is the same as the states of the substances in the products.
The states of the substances in the reactants is the same as the states of the substances in the products.

The number of substances in the reactants is the same as the number substances in the products.

Answer 1

The number of atoms of each element in the reactants is the same as the number of atoms of each element in the products.

Explanation: Mass (and atoms) are conserved in a chemical reaction, but the number of molecules, states, or different substances can change.