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27 ene 1754 año - Joseph Louis Proust The Law of Definite Proportions, sometimes called The Law of Constant Composition, states that a chemical compound always contains exactly the same proportion of elements by mass.
Añadido al timeline:
History of chemistry
By
Dina Bawazeer
14 nov 2018
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0
389
fecha:
27 ene 1754 año
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~ 270 years ago
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