Self-Ionization of Water
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High Quality Content by WIKIPEDIA articles! The self-ionization of water (also autoionization of water, and autodissociation of water) is the chemical reaction in which two water molecules react to produce a hydronium ion (H3O+) and a hydroxide ion (OH ).Water, however pure, is not a simple collection of H2O molecules. Even in "pure" water, sensitive equipment can detect a very slight electrical conductivity of 0.055 µS·cm 1. According to the theories of Svante Arrhenius, this must be due to the presence of ions.It should be noted that deionized water (also called DI water) is water that has…mehr

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High Quality Content by WIKIPEDIA articles! The self-ionization of water (also autoionization of water, and autodissociation of water) is the chemical reaction in which two water molecules react to produce a hydronium ion (H3O+) and a hydroxide ion (OH ).Water, however pure, is not a simple collection of H2O molecules. Even in "pure" water, sensitive equipment can detect a very slight electrical conductivity of 0.055 µS·cm 1. According to the theories of Svante Arrhenius, this must be due to the presence of ions.It should be noted that deionized water (also called DI water) is water that has had most impurity ions common in tap water or natural water sources (such as Na+ and Cl ) removed by means of distillation or some other water purification method. Removal of all ions from water is next to impossible, since water self-ionizes quickly to reach equilibrium.