hydronium
/haɪˈdroʊniəm/
noun
- A positively charged ion (H₃O⁺) formed when a hydrogen ion combines with a water molecule, found in acidic solutions.
- In chemistry class, we learned that hydronium ions are present in all acidic solutions.
- When an acid dissolves in water, it releases hydrogen ions that form hydronium.
- The concentration of hydronium determines the pH level of a liquid.