what is the law of definite composition? who formulated this law?

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what is the law of definite composition? who formulated this law?

pls help me..

2007-07-16 01:46:21 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

"The Law of Definite Composition states: A compound always contains two or more elements combined in a definite proportion by mass "

Consider the compound water: H2O
There are 8.0 g of Oxygen for 1.0 g of Hydrogen

by: Joseph Proust
1754-1826
France

2007-07-16 02:41:25 · answer #1 · answered by Grasshopper 5 · 0⤊ 0⤋

Look up "Law of Constant Composition" - that's what it is normally called. Any sample of a compound, however prepared, always has the same ratio of atoms of the elements that it contains.

2007-07-16 09:15:05 · answer #2 · answered by Gervald F 7 · 0⤊ 0⤋