⇢ 
Святослав Игоревич
Химики спасайте с домашкой
Яна
2KJ + 2KNO2 + 4CH3COOH = J2 + 2NO + 4CH3COOK + 2H2O
2J- - 2e = J2 /1
N+3 +1e = N+2 / 2
CrCl3 + H2O = Cr(OH)Cl2 + HCl
Cr +3 + HOH = (CrOH) +2 + H+
2KJ + 2KNO2 + 4CH3COOH = J2 + 2NO + 4CH3COOK + 2H2O
2J- - 2e = J2 /1
N+3 +1e = N+2 / 2
CrCl3 + H2O = Cr(OH)Cl2 + HCl
Cr +3 + HOH = (CrOH) +2 + H+