30 окт 1794 г. - Joseph Louis Proust
Описание:
Joseph Louis Proust is responsible for publishing the Law of Definitive Proportions. This law states that compounds are made up of exact proportions of elements by mass, this composition of the compound does not matter regarding how the compound was created.Добавлено на ленту времени:
Дата:
30 окт 1794 г.
Сейчас
~ 231 г назад