In chemistry, the law of definite proportion, sometimes called Proust's law or the law of definite proportion, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation.
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In chemistry, the law of definite proportion, sometimes called Proust's law or the law of definite proportion, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation.
Law of Definite proportion: A given compound always contains exactly the same proportion of elements by weight.
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