Question

12. Which part of the Dalton's atomic theory came from the law of constant proportions given
by Proust?
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Answer 1

The postulate of Dalton's atomic theory which came from the law of constant proportions proposed by Proust, states that “The 'number' and 'kind' of atoms in a given compound is fixed.” follow me

Answer 2

The elements consist of atoms having fixed mass , and that the number and kind of atoms of each element in a given compound is fixed.