Bài 1:Xác định đương lượng gam của các chất trong các phản ứng saua.3442232)(HNOPbSOSOHNOPbb.443422)(ZnSOFeSOZnSOFec)(34244244SOFeMnSOSOHFeSOKMnOd. CuCl2+ KI = CuI + I2+ KCle. K2Cr2O7+ FeSO4+ H2SO4= Cr2(SO4)3+ Fe2(SO4)3+ K2SO4+ H2O

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