Question

he law of constant composition says ________. that the composition of a compound is always the same that the composition of a homogeneous mixture is always the same that the composition of an element is always the same that the composition of a heterogeneous mixture is always the same that all substances have the same composition

Answer 1

The law of constant composition says that the composition of a homogeneous mixture is always the same

Step-by-step explanation:

The law of constant composition that is also known as Proust's Law says that when two substances react with each other, to form a compound they will always do in a constant weight ratio, that is, the ratio of the masses between two substances that form a compound, must be proportional.