A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of

Question

Quizplus · Accepted Answer

The law of constant composition, also known as the law of definite proportions, states that a given compound always contains the same elements in the same proportions by mass. Therefore, the fact that water always contains hydrogen and oxygen in a 1:8 ratio by mass is a statement of this law. The other options are not applicable in this context.

A Molecule of Water Contains Hydrogen and Oxygen in a 1:8