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H2SO3
Spell out the full name of the compound.

User Psibar
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2 Answers

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The full name of this compound/ acid is:
Sulfurous acid or Sulphorous acid

... Remember SO3 is a ployatomic ion ending in -ite..
.... I hope it helps!
User Fastobject
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3 votes
sulfurous acid or sulphurous acid
User BitsAreNumbersToo
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