What is the law of constant composition in chemistry?

In chemistry, the law of constant composition (also known as the law of definite proportions) states that samples of a pure compound always contain the same elements in the same mass proportion. Water (H2O) always consists of hydrogen and oxygen in a 1:9 mass ratio.Click to see full answer. Also, what does the law of…

In chemistry, the law of constant composition (also known as the law of definite proportions) states that samples of a pure compound always contain the same elements in the same mass proportion. Water (H2O) always consists of hydrogen and oxygen in a 1:9 mass ratio.Click to see full answer. Also, what does the law of constant composition mean?In chemistry, the law of definite proportion, sometimes called Proust’s law or the law of definite composition, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation. what is the law of definite composition and give an example? Examples of the Law of Definite Proportions Let us take, for example, the compound, water. Whatever the source of water, its composition is that of two atoms of hydrogen and one atom of oxygen. This figure shows that water, from any source, is always made up of two atoms of hydrogen and one atom of oxygen. Besides, what is the law of constant composition who discovered it? The Law of Constant Composition, discovered by Joseph Proust, is also known as the Law of Definite Proportions. The French chemist Joseph Proust stated this law the following way: “A chemical compound always contains the same elements combined together in the same proportion by mass.”What is law of constant proportion Class 9?Class 9 Chemistry Atoms and Molecules. Laws of constant proportion. Laws of constant proportion. The law states that in a chemical substances the elements are always present in a definite proportion by mass. It is also termed as law of definite proportion.

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