Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
HSO4⁻ refers to bisulfate ion, which consists of one hydrogen atom bonded to one sulfate group (-HSO4). It acts as both an acid and weak base depending on its surroundings.