Question

Define the law of constant proportion with example

Answer 1

in chemistry the law of Definite proportions something called proudct login law definite composition on law of constant composition is states that a given chemical compound always contains a component element in fixed ratio by mass and does not depend on its structure source and method of preparation

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Answer 2

A molecule of water will always have two hydrogen atoms and one oxygen atom, meaning that in a bottle of pure water the hydrogen to oxygen atom ratio will always be 2:1. This seems very logical to us today. But 300 years ago, scientists didn't understand compounds this way. However, in 1794, Joseph Proust published the Law of Constant Proportions, which says that a chemical molecule will always contains the same elements in the same proportion.

There are two parts to the law of constant proportions: 1) there will always be the same elements that make up a compound, and 2) the mass of these compounds will always be in the same proportion.