1) al₂o₃→al₂(so₄)₃→al(oh)₃→al₂o₃ 2) fe₂(so₄)₃→fe(oh)₃→fe₂o₃→fe₂(so₄)₃ - вопрос №5809180123 от nmh788 09.05.2022 08:08

Question

Химия: 1) al₂o₃→al₂(so₄)₃→al(oh)₃→al₂o₃ 2) fe₂(so₄)₃→fe(oh)₃→fe₂o₃→fe₂(so₄)₃ 3) p→p₂o₅→h₃po₄→ca₃(po₄)₂→h₃po₄→ca(h₂po₄)₂ 4) so₃→znso₄→zn(oh)₂→zno

nmh788 · Answer

1)Al2O3+3H2SO4= Al2(SO4)3 + 3H2OAl2(SO4)3+3Ba(OH)2= 3BaSO4 + 2Al(OH)32Al(OH)3= Al2O3+3H2O2)Fe2(SO4)3+6KOH= 3K2SO4+2Fe(OH)32Fe(OH)3= Fe2O3+3H2OFe2O3+3H2SO4= Fe2(SO4)3 + 3H2O3)4P+5O2= 2P2O5P2O5+3H2O= 2H3PO42H3PO4+Ca(OH)2= Ca(H2PO4)2 + 2H2O...