Автор - maksimovanikolina

K2Cr2O7+HCl=KCI+Crcl3+cl2+h2o ОВР СРОЧНО!!!!!!!!!!

Ответ

Автор - Lubchenko90

K2Cr2O7+14HCl------->3Cl2+2KCl+2CrCl3+7H2O;

2Cl⁻-2e---->Cl2°;

2Cr⁺⁶+6e---->2Cr⁺³;

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