FeCl3-Fe(OH)3-FeOHSO4-Fe2(SO4)3-Fe(OH)3
FeCL3+3NaOH=Fe(OH)3+3NaCL
Fe(OH)3+H2SO4=FeOHSO4+2H2O
2FeOHSO4+H2SO4=Fe2(So4)3+2H2O
Fe2(So4)3+2Na3PO4=2FePO4↓+3Na2SO4
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Answers & Comments
FeCL3+3NaOH=Fe(OH)3+3NaCL
Fe(OH)3+H2SO4=FeOHSO4+2H2O
2FeOHSO4+H2SO4=Fe2(So4)3+2H2O
Fe2(So4)3+2Na3PO4=2FePO4↓+3Na2SO4