Write the reaction equations: Fe – FeCl2 – FeCl3 – Fe (OH) 3 – Fe2 (SO4) 3 – FePO4;

1. Fe + 2HCl = FeCl2+ H2↑.

2. FeCl2 + 2Cl2 = 2FeCl3.

3. FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl.

4. 2Fe(OH)3 + 3H2SO4 = Fe2(SO4)3 + 6H2O.

5. Fe2(SO4)3 + 2Na3PO4 = 2FePO4↓ + 3Na2SO4.



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