Potassium bisulfite

Rarity: Uncommon

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Notion

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Science and technology

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What Wikipedia says

Potassium bisulfite (or potassium hydrogen sulfite) is a chemical mixture with the approximately correctly mentioned formula chemical formula KHSO3. Potassium bisulfite in fact is not an actual compound, but a mixture of salts that dissolve in water to give solutions composed of potassium ions and bisulfite ions.

Excerpt from the Wikipedia article “Potassium bisulfite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ed (Edgar181), Public domain, via Wikimedia Commons.