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6 déc. 1793 - The Law of Definite Proportions

Description:

"Any given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation."

Ajouté au bande de temps:

20 déc. 2018
0
0
533

Date:

6 déc. 1793
Maintenaint
~ Il y a 232 ans