August 2022 1 20 Report

Oпределите степени окисления элементов в следующих кислотах: хлорная HClO4,

хромовая H2CrO4, двухромовая H2Cr2O7, азотистая HNO2, пирофосфорная H4P2O7

 

 

 

 

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