Help with CHemistry question please!?

Question

A given compound always contains the same relative masses of its constituent elements. How is this related to the relative numbers of each kind of atom present?

help needed
thank u really much
Shawn Miller Jr.

Answer 1

This is called the Law of Constant Composition.
If the mass of each element present is constant, so are its number of atoms, because atoms of each element have a well-defined and individual mass.