Question

what is law of constant proportion in deatiled method​

Answer 1

law of constant proportion states that a chemical compounds always contains exactly the same proportion of element by mass

Answer 2

the law of constant proportions states that chemical compounds are made up of element that are present in a fixed ratio by mass this implies that any pure sample of a compound , no matter the source , will always consist of the same element that are present in the same ratio by mass..