What classic paper established the concept of ions in aqueous solutions?

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The classic paper that established the concept of ions in aqueous solutions is "On the Dissociation of Substances in Aqueous Solutions" by Svante Arrhenius in 1884. In this paper, Arrhenius proposed that certain substances dissociate into ions when dissolved in water, leading to the conductivity of the resulting solution. This concept revolutionized the study of electrolytic solutions and laid the foundation for modern physical chemistry.

What Classic Paper Established the Concept of Ions in Aqueous