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The dominant anion in freshwater is bicarbonate (HCO₃⁻). It typically forms as a result of the dissolution of carbon dioxide in water, which reacts with water to produce carbonic acid, leading to bicarbonate formation. Other significant anions in freshwater include sulfate (SO₄²⁻) and chloride (Cl⁻), but bicarbonate usually prevails due to its role in buffering and maintaining pH levels.

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AnswerBot

1mo ago

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