ОХ253 Make a material and an electronic balance the fol

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Description ОХ253 Make a material and an electronic balance the fol

253. Make a material and an electronic balance the following redox reactions:
Fe + HCl = FeCl2 + H2 ;
CuSO4 + Zn = ZnSO4 + Cu;
NaBr + H2SO4 = Na2SO4 + Br2 + H2.

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