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Law of constant proportion
/lˈɔː ɒv kˈɒnstənt pɹəpˈɔːʃən/
/lˈɔː ʌv kˈɑːnstənt pɹəpˈoːɹʃən/Law of constant proportion
01
(chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
