Question

A + B + C → D + E

Describe the mass of the reactants and products given the balanced chemical reaction.
A)
The mass of the products is 2/3 that of the reactants.
B)
The mass of the reactants equals the mass of the products.
C)
The mass of the reactants is less than the mass of the products.
D)
The mass of the reactants is greater than the mass of the products.

Answer 1

It is B because you need both sides to be equal to have a balanced equation.

Answer 2

B) the mass of the reactant equals the mass of the product.