Acid ion name hco 3 hydrogen carbonate ion hso 4

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is omitted if only one acid anion is possible. Acid Ion Name HCO 3 hydrogen carbonate ion HSO 4 hydrogen sulfate ion HPO 4 2– monohydrogen phosphate ion H 2 PO 4 dihydrogen phosphate ion Binary hydrogen compounds with nonmetals may form H + and an anion when dissolved in water. The acidic solutions are named as if they were molecular acids, using the usual name for the compound itself, replacing hydrogen with hydro- and the suffix -ide with -ic . The word acid is then added. The formula for such a compound in water is often distinguished from the compound itself by ( aq ), indicating water (aqueous) solution. Compound Name Acid Solution Name HCl hydrogen chloride HCl( aq ) hydrochloric acid HCN hydrogen cyanide HCN( aq ) hydrocyanic acid H 2 S hydrogen sulfide H 2 S( aq ) hydrosulfuric acid HCN, although not a binary compound, is analogous to the binary hydrogen halides (HCl, HBr, HI), and so as an acid is named in a similar manner. The name of H 2 S( aq ) as an acid is slightly irregular in using the full stem name of the element.
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  • Spring '07
  • RobertCarter
  • Mole, Acids

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