October 2021 0 8 Report
ПОМОГИТЕ ПОЖАЛУЙСТА!!! Расставьте коэффициенты в уравнениях реакций методом электронного баланса, укажите окислитель и восстановитель:
1) P + KCIO3 = P2O5 + KCI
2) K2Cr2O7 + HCI = CrCI3 + KCI +CI2 + H2O
3) FeSO4 + KMnO4 + H2SO4 = Fe(SO4)3 + MnSO4 + K2SO4 +H2O
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