Problem: Use the flowchart in the figure to name H2SO3(aq).

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H2SO3 is an oxoacid with a polyatomic anion that ends with -ite. 

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Use the flowchart in the figure to name H2SO3(aq).

Inorganic Nomenclature Flow Chart. Determine if the compound is Ionic (metal and nonmetal), Molecular (nonmetals only) or an Acid (hydrogen and one or more nonmetals, in aqueous solution). Ionic: If the metal forms only one type of ion, name it using the name of the cation and the base name of the anion with the ending -ide. Name metals that form more than one type of ion using the name of the cation followed by its charge as Roman numerals in parenthesis and the base name of the anion with the ending -ide. Molecular: Use a prefix plus the name of the first element and a prefix plus the base name of the second element with the ending -ide. Acids: Binary acids (two-elements) are named hydro plus the base name of oxyanion with the ending -ic and the word acid. Oxyacids are named based on the oxyanion. If it ends in -ate, then it is named by the base name of the oxyanion with the ending -ic and the word acid. If it ends in -ite, it is the base name of the oxyanion with the ending -ous and the word acid.


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