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karolinamyr28
@karolinamyr28
March 2022
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20 БАЛЛОВ
Осуществите цепочку превращений
Fe-Fe³O³-Fe-Fe³(PO⁴)²
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Answers & Comments
Nikosian1703
Verified answer
4Fe + 3O2 = 2Fe2O3;
Fe2O3 + 3CО = 2Fe + 3CO2
6 Fe + 2 H3PO4 = 2 Fe3(PO4) + 3 H2
0 votes
Thanks 1
Nikosian1703
Fe3O3 никак не может быть
karolinamyr28
Спасибо, просто почерк учительницы не разобрала)
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Answers & Comments
Verified answer
4Fe + 3O2 = 2Fe2O3;Fe2O3 + 3CО = 2Fe + 3CO2
6 Fe + 2 H3PO4 = 2 Fe3(PO4) + 3 H2