What is the common name for Na2SO3? Chemistry Ionic Bonds Naming Ionic Compounds 1 Answer anor277 Jun 8, 2017 Na2SO3 is sodium sulfite Explanation: We have S(IV+) rather than the S(VI+) observed for sulfuric acid, H2SO4. H2SO3 is sulfurous acid, or the hydrate of sulfur dioxide, i.e. O2S⋅OH2. I think that solutions of this salt have a pleasant, pharmaceutical smell. Answer link Related questions How do you name ionic compounds with transition metals? What is the name of the ionic compound Ni3(PO4)2? What rules are used to name ionic compounds? How can I name ionic compounds with three elements? How can I name ionic compounds with transition metals? How do you name ionic compounds with roman numerals? How can I name polyatomic ionic compounds? How can I name ionic compounds? How can I name binary ionic compounds? What are some examples of ionic compounds names? See all questions in Naming Ionic Compounds Impact of this question 2612 views around the world You can reuse this answer Creative Commons License