Question

explain 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. 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.

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Answer 2

Answer:

The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass. This implies that any pure sample of a compound, no matter the source, will always consist of the same elements that are present in the same ratio by mass. For example, pure water will always contain hydrogen and oxygen in a fixed mass ratio (a gram of water consists of approximately 0.11 grams of hydrogen and 0.88 grams of oxygen, the ratio is 1:8).