Question

Write the law of constant proportion?

Answer 1

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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. For example oxygen makes up about 8/9 of the mass of any sample of pure water, while hydrogen makes up the remaining 1/9 of the mass.

Answer 2

The law of constant proportion states that in a chemical rectation the element is present always present in definite proportion by mass.