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tsulen
@tsulen
July 2022
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Составьте уравнение окислительно-восстановительной реакции:
K2Cr2O7+FeSO4+H2SO4=Cr2(SO4)3+Fe2SO4+.....
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minnimouse22
K2Cr2O7 + 6FeSO4 +7H2SO4---->Cr2(SO4)3 +3Fe2(SO4)3 + K2SO4 +7H2O Fe(+2)-1e----Fe(+3) | восстановитель
Cr(+6)+3e----Cr(+3) | окислитель
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Answers & Comments
Cr(+6)+3e----Cr(+3) | окислитель