November 2021 2 1 Report
Степень окисления +5 имеет азот в группе веществ
a) NH3, N2 О5, HNO3 б) NН4Сl N2 O5 HNO3 в) KNO3 N2 О5, HNO3 г) Ba (NO3)2, HNO2 N2O5
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