hydronium ion

American  

[hahy-droh-nee-uhm ahy-uhn, ahy-on] / haɪˈdroʊ ni əm ˌaɪ ən, ˌaɪ ɒn /

noun

1. the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.

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hydronium ion British  

/ haɪˈdrəʊnɪəm /

noun

1. chem another name for hydroxonium ion

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Etymology

Origin of hydronium ion

First recorded in 190510; < German Hydronium, contraction of Hydroxonium; see hydro- ², oxonium compound

Example Sentences

See Examples For:

hydronium ion

As defined in the ICE table, x is equal to the equilibrium concentration of hydronium ion:

From Textbooks ● Feb. 14, 2019

For example, a coordinate covalent bond occurs when a water molecule combines with a hydrogen ion to form a hydronium ion.

From Textbooks ● Feb. 14, 2019

The pH provided is a logarithmic measure of the hydronium ion concentration resulting from the acid ionization of the nitrous acid, and so it represents an “equilibrium” value for the ICE table:

From Textbooks ● Feb. 14, 2019

This may be explained via Le Châtelier’s principle as a left shift in the water autoionization equilibrium resulting from the stress of increased hydronium ion concentration.

From Textbooks ● Feb. 14, 2019

Calculate the hydronium ion concentration and the hydroxide ion concentration in lime juice from its pH.

From Textbooks ● Feb. 14, 2019