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antonof911
@antonof911
August 2022
2
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в схеме превращений Fe-x-y-Fe2O3 вещества х и у соответственно являются:
А) FeO, FeCl2
B) FeS, Fe(OH)3
C) Fe(OH)3, FeCl3
D) FeCl3, Fe(OH)3
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melissa17
D.......................
6 votes
Thanks 4
antonof911
большое спасибо!
delfino
ответ D
, т.к. FeCl3 + 3NaOH ---> Fe(OH)3 + 3NaCl
2Fe (OH)3 ---> Fe2O3 + 3H2O
6 votes
Thanks 12
antonof911
большое спасибо!
delfino
:))
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Answers & Comments
2Fe (OH)3 ---> Fe2O3 + 3H2O