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OpenStudy (anonymous):

what is oxidation number for Mn in Mn2O7 ( sign and number)

OpenStudy (anonymous):

calculate it!!! let the oxidation no. of the unknown compd be x 2x-14=0 as the whole compd has no charge hence zero also oxygen has -2 O.N. x=+7 Thats your answer

OpenStudy (anonymous):

thank you!!

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