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Evan's Vocab Stack

self ionization of water the chemical reaction in which a proton is transferred from one water molecule to another, in pure water or an aqueous solution, to create the two ions, hydronium, H3O+ and hydroxide, OH−.
pH a measure of the acidity or basicity of an aqueous solution
pOH used as a measure of the concentration of hydroxide ions, OH−, or alkalinity.
acid-base indicators are substances which change color with pH
transition interval range in concentration of a species
pH meter an electronic instrument used for measuring the pH of a liquid
titration used to determine the unknown concentration of an identified analyte.
equivalence points when a titrant is added and is stoichiometrically equal to the amount of moles of substance
end point the point at which the indicator changes color in a colorimetric titration
standard solution
primary standard