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OpenStudy (rockinhood):
Nobody is active in Chemistry, can someone help me? Which atom has a change in oxidation number of –3 in the following redox reaction? K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2
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OpenStudy (cas_fangirl_14):
This should help you. http://www.chacha.com/question/which-atom-has-a-change-in-oxidation-number-of-%E2%80%933-in-the-following-redox-reaction-k2cr2o7-%2B-h2o-%2B-s-%26%2345%3B%3Ekoh-%2B-cr2o3-%2B-so2
OpenStudy (rockinhood):
So it's Cr?
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