No matter how much extra oxygen is available,12 grams of carbon always combines with 32 grams of oxygen.This best illustrates the Law of
A)Conservation of Mass.
B)Definite Proportions.
C)Multiple Proportions.
D)Conservation of Energy.

Question

Quizplus · Accepted Answer

The statement describes the law of definite proportions, which states that a compound always contains the same elements in the same proportions by mass, regardless of the sample size. This law was first proposed by Joseph Proust in the late 18th century.

No Matter How Much Extra Oxygen Is Available,12 Grams of Carbon