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1 gen 1794 anni - JOSEPH LOUIS PROUST

Descrizione:

He was a French chemist he discovered the law of constant composition. The law states that a compound is composed of exact proportions of elements by mass regardless of how the compound was created he discovered this in 1794.

Aggiunto al nastro di tempo:

Data:

1 gen 1794 anni
Adesso
~ 231 years ago