law of definite proportions

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Definitions from WordNet

Noun law of definite proportions has 1 sense

law of constant proportion, law of definite proportions - (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
--₁ is a kind of law, law of nature

Definitions from the Web

Law of Definite Proportions

Definition: The law of definite proportions, also known as the law of constant composition, states that a chemical compound will always contain the same elements in fixed and definite proportions by mass.

Examples:

As a scientific principle: According to the law of definite proportions, water (H₂O) will always consist of 11.19% hydrogen and 88.81% oxygen by mass.
In a legal context: The law of definite proportions can be applied in forensic investigations to determine the exact composition of substances found at crime scenes.

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law of common fate law of conservation law of conservation of change law of conservation of energy law of conservation of mass law of conservation of matter law of constant proportion law of continuation law of definite proportions law of demand law of diminishing returns law of effect law of equal areas law of equivalent proportions law of gravitation law of independent assortment law of large numbers

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