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+1 for H, -2 for each O, +4 for S

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5mo ago

The oxidation number of S in HSO3- is +4. This is determined by assigning a -1 oxidation state to the hydrogen atom and a -2 oxidation state to the oxygen atoms, which leaves sulfur with a +4 oxidation state to balance the overall charge of -1 for the ion.

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Q: What is the oxidation number for S in HSO3-?
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What is s the conjugate base of HSO3-?

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