Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
Ka1 refers to the acidity constant associated with the first ionization of citric acid. It measures how easily the first hydrogen ion (H+) can be removed from citric acid.