Question

3. State and explain the Law of constant proportion.​

Answer 1

Answer:

Law of constant proportion states that a chemical compound always contains exactly the same proportion of elements by mass..

Explanation:

For a given unique chemical compound, its elemental composition is same for any sample that exists. ... If we take some mass of water, 8/9 of its mass will be oxygen and 1/9 will be hydrogen.

Answer 2

Answer:

the law of constant proportion state that the same chemical compund contain the same element in the fixed proportion by their weight irrespective of origin and nature of formation this law was given by j j proust

Explanation:

as we take example we can take sample of water from various sources like river water pond water rain water or tap water we can observed that water of every sources are made of up 1 atom hydrogen and 2 atom of oxygen in fixed proportion which prove the law of constant proportion