How can I determine the oxidation number of the bolded atom of the following compound? HS

Chemistry
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Determine the oxidation number of the bolded atom of the following compound.

HSO4-

Oxidation Number Rules

Oct 31st, 2015

Thank you for the opportunity to help you with your question!

+6: oxygen in compounds always has a formal oxidation number of -2 except  in peroxides, and hydrogen  has a formal oxidation number of +1. 

S must therefore have a value of +6 in this acid anion, to result in the total of -8 from four oxygen atoms in the substance  and the +1 from hydrogen having a total charge of -1 for the acid anion.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 31st, 2015

Pls give me the answer immediately without explaning   

Oct 31st, 2015

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Oct 31st, 2015
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