Question: Alkalinity is the name given to the quantitative capacity of an aqueous solution to neutralize an acid, measuring alkalinity is important in determining a stream's ability to neutralize acidic pollution from acid rain, or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions, and which ph?
Sentence (from "PH indicator"): Hence, a pH indicator is a chemical detector for hydronium ions (HO) or hydrogen ions (H) in the Arrhenius model.
Relevant evidence: No