Question

Law of definite proportions.......

Answer 1

Answer:

This law states that mass ratio or number ratio of atoms in a compound is always same irrespective of their source.

It was given by Proust.

Example - H2O (Water)

Number ratio = 2:1

Mass ratio = 2:16 = 1:8

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Answer 2

Answer:

*regardless of the amount ,a compound is always composed of the same elements in the same proportion.

* the proportion are found by calculating the percent by mass.