Part D. What is the formula for sulfurous acid?
Express your answer as a chemical formula.
Oxoacids contain an oxygen atom in the anion. To name them, again, start with the name of the anion when naming acids. Polyatomic anions are named according to the following rules:
When naming the acid of an oxoanion the endings of the anion are modified as follows:
The word acid is added following the new name of the anion to complete the name of the acid.
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