Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Hydronium concentration refers to the amount or concentration of H3O+ (hydronium) ions present in a solution. It measures how many hydronium ions are dissolved in water and is typically expressed in moles per liter (M).
Related terms
Hydroxide Concentration: The concentration of OH- (hydroxide) ions present in a solution.