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coresh76
@coresh76
June 2023
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СРОЧНО!!! ДАЮ 30 БАЛЛОВ.Скласти рівняння реакцій згідно схеми:залізо -- > ферум(ІІ) сульфат → ферум(ІІ) гідроксид → ферум(ІІ) ортофосфат.
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xzxl
Fe->FeSO4->Fe(OH)2->Fe3(PO4)2
1) Fe+H2SO4=FeSO4+H2
2) FeSO4+2KOH=K2SO4+Fe(OH)2
3) 3Fe(OH)2+2H3PO4=Fe3(PO4)2+6H2O
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Answers & Comments
1) Fe+H2SO4=FeSO4+H2
2) FeSO4+2KOH=K2SO4+Fe(OH)2
3) 3Fe(OH)2+2H3PO4=Fe3(PO4)2+6H2O