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15 авг 1794 г. - 1794 - Joseph Louis Proust published the Law of Definite Proportions which states that a compound is composed of exact proportions of elements by mass regardless of how the compound was created.
Добавлено на ленту времени:
5 янв 2018
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Atomic Theory
Дата:
15 авг 1794 г.
Сейчас
~ 229 г назад