Apr 9, 2014 · $\begingroup$ There is the problem of having 55.56 molar hydronium re its counterion being included. Consider water azeotropes of strong acids not by wt-% but by mole ratio. Consider water azeotropes of strong acids not by wt-% but by mole ratio.

For hydronium: $$\ce{K_a = \frac{[H^+][H_2O]}{[H_3O^+]}}$$ and the source of the proton in question is not likely water (normally a stronger mineral acid). If you put the water on both sides of the equation you are describing another process, which would be proton transfer equilibrium.

Dec 1, 2012 · Physical state of hydronium. Ask Question Asked 12 years, 2 months ago. Modified 12 years, 2 months ago.

Oct 18, 2023 · OTOH, hydronium balanced with counter anion of a strong acid, dissolved in water, is a common molecular entity chemists works with. There can be easily $\pu{200 g/L}$ of hydronium ions. Note that crystalline monohydrate of some very strong acids is de facto a hydronium salt $\ce{[H3O+][A-]}$.

Mar 22, 2018 · As a result, one of the hydrogen atoms of hydronium is quite easy to strip off, giving it its strong acidity (pKa~ -1.74). Since no other parts of hydronium react with other species, the only reactive component is the hydrogen atom, which serves as an electrophile and gives hydronium its categorization as an electrophile.

Feb 20, 2020 · There is a section in this Wikipedia link entitled, "Solid hydronium salts." It says that any acid with an ionization constant of 10^9 or higher may form stable hydronium ion salts. Examples they give include hydronium perchlorate and carborane-based hydronium ion salts.

Nov 30, 2021 · Since aqueous hydronium and aqueous hydrogen ions are the same, we expect these two reactions to have the same reaction enthalpy. And since aqueous hydrogen ions have an enthalpy of formation of 0 (by definition), the only way the two reactions will have the same reaction enthalpy is if hydronium and water have the same enthalpies of formation.

Mar 16, 2021 · In aqueous medium, the proton ($\ce{H+}$) is thought to exist as hydronium, $\ce{H3O+}$. However, in reality, probably bigger complexes of water may also be associated with one proton. In liquid water, everything is interconnected with strong hydrogen bonds anyways, and it is difficult to distinguish the free species.

Dec 16, 2020 · The reason for why hydronium has a positive charge is similar to why ammonium has a positive charge. When atoms with lone pair, like oxygen in hydronium or nitrogen in ammonium form a coordinate bond, the atom having donated its lone pair gets a positive charge on it instead of the H+

Q: he pH of a popular soft drink is 3.06; what is its hydronium ion concentration A: PH is the negative logarithm of the hydrogen or hydronium ions in a solution. Q: The OH⁻ concentration in an aqueous solution at 25 °C is 2.3 × 10⁻⁵.