Balance the redox reaction by using oxidation number method in acidic medium cr2o7^-2 ( aq ) + so3^-2 ( aq ) -> cr3+ ( aq ) + so4^-2 ( aq )

Balance the redox reaction by using oxidation number method in acidic

1.	Balance the redox reaction by using oxidation number method in acidic medium cr2o7^-2 ( aq ) + so3^-2 ( aq ) -> cr3+ ( aq ) + so4^-2 ( aq )
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