If the anion name ends in ate the corresponding acid

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2. If the anion name ends in -ate , the corresponding acid name ends in -ic . Anion Name Acid Name NO 3 nitr ate ion HNO 3 nitr ic acid SO 4 2– sulf ate ion H 2 SO 4 sulfur ic acid 3. If the anion name ends in -ite , the corresponding acid name ends in -ous . Anion Name Acid Name NO 2 nitr ite ion HNO 2 nitr ous acid SO 3 2– sulf ite ion H 2 SO 3 sulfur ous acid
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4. When a central atom can form three or four oxoacids, both the anions and the oxoacids are distinguished with the prefix hypo- and per- for the species with the fewest and most oxygen atoms, respectively. Anion Name Acid Name ClO hypo chlor ite ion HClO hypo chlor ous acid ClO 2 chlor ite ion HClO 2 chlor ous acid ClO 3 chlor ate ion HClO 3 chlor ic acid ClO 4 per chlor ate HClO 4 per chlor ic acid Acid anions have H atoms that they can lose as H + in water. The names of these ions add hydrogen in front of the name of the corresponding ion that does not have H in it. If the acid anion has two or more hydrogen atoms capable to forming H + , the appropriate Greek prefix is used to indicate the number. Mono- is omitted if only one acid anion is possible.
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  • Spring '07
  • RobertCarter
  • Mole, Acids

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