Joseph Proust was a French chemist (1754-1826) well known for the discovery of the law of definite proportions.
In was in 1799 that Joseph Proust discovered the law of definite proportions, or Proust's Law. Proust was a French chemist.
Joseph Louis Proust eleborated the Law of definite proportions.
yes
Joseph Proust was a French chemist (1754-1826) well known for the discovery of the law of definite proportions.
Joseph Louis Proust.
Joseph Proust was a French chemist (1754-1826) well known for the discovery of the law of definite proportions.
Marcel Pagnol died on April 18, 1974 at the age of 79.
It was in 1899! I think?
Joseph Proust
Joseph Proust
The law of definite proportions was proposed by the French chemist Joseph Proust in the late 18th century. It states that a compound will always contain the same elements in the same proportion by mass, regardless of the amount of the compound.
Joseph Louis Proust (1754-1826) was an important French chemist, known for the Law of definite proportions.