1) fe-fe(oh)3-fe2o3-fecl3-fe(oh)3 2)p-p2o5-h3po4- - вопрос №40572751323332253434234 от Dashaaleshenko 02.04.2020 23:16

Question

Химия: 1) fe-fe(oh)3-fe2o3-fecl3-fe(oh)3 2)p-p2o5-h3po4- ca3(po4)2-h3po4

Dashaaleshenko · Answer

1)1.4Fe+3O2+6H2O=4Fe(OH)32.2Fe(OH)3=Fe2O3+3H2O3.Fe2O3+6HCl=2FeCl3+3H2O 4.FeCl3+3NaOH=Fe(OH)3+3NaCl2)1.4P+5O2=2P2O52.P2O5 + 3H2O=2H3PO43.2H3PO4+3CaO=Ca3(PO4)2+3H2O4.Ca3(PO4)2+3H2SO4=3CaSO4+2H3PO4...