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acid
基礎(chǔ)科學

        A substance that gives rise to hydro-gen ions (or H3O+) when dissolved in wa-ter. An acid in solution will have a pH below7.This definition does not take into accountthe competitive behavior of acids in solventsand it refers only to aqueous systems. TheLo......(本文共 911 字)     [閱讀本文] >>

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