bisulfate

Meanings

1. 1
   noun

   the hydrogen sulfate ion, HSO4-, which is formed when sulfuric acid loses one proton

   In water, the bisulfate ion can release another proton to form sulfate.

2. 2
   noun

   a salt containing the hydrogen sulfate ion

   The chemist added a metal bisulfate to acidify the solution.

Formed from bi- + sulfate. In older chemical naming, bi- indicated an acid salt containing more hydrogen than the corresponding normal sulfate. The systematic name is hydrogen sulfate; British spelling commonly uses bisulphate.

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