出典:Wikipedia
出典:『Wikipedia』 (2011/07/15 10:42 UTC 版)
In chemistry, a hydronium ion is the aqueous cation H3O+, the type of oxonium ion produced by protonation of water. It is present in some quantity in any solution containing water resulting from two water molecules reacting, but will be present in higher concentrations in more acidic solutions. Hydronium is the common name and the ion is also known as oxonium.