Question

Which postulate of daltion atomic theory
explain the law of definite propantion​

Answer 1

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The postulate of Dalton's “The relative number and kind of atoms in a given compound remains constant”. can explain the law of definite proportions.

Answer 2

The 7th postulate of Dalton's atomic theory, "the relative number and kinds of atoms are constant in a given compound",explains the law of definite proportion.