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Who was the one who first stated the law of definite proportions?


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Solution

Law of definite proportions:

  • A French chemist Joseph-Louis Proust first proposed the Law of definite proportion.
  • According to the law of definite proportion, constituent elements of a compound always remain in a fixed ratio (by mass) and are unaffected by its origin or manufacturing process.
  • The law is the foundation for chemistry's study of stoichiometry.

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