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m(Fe2O3)=1.6 g/160 g¡¤mol-1=0.01 mol
Fe2O3+¡¡6HCl====¡¡2FeCl3¡¡¡¡+¡¡¡¡3H2O
0.01 mol¡¡¡¡¡¡¡¡¡¡0.02 mol
2FeCl3¡¡+¡¡Cu====2FeCl2+CuCl2
0.02 mol ¡¡0.01 mol
m(Cu)=0.01 mol¡Á64 g¡¤mol-1=0.64 g¡£
´ð°¸:(1)MgO¡¡Fe2O3¡¡Al2O3¡¡CO2
(2)2Al+Fe2O32Fe+Al2O3
2Mg+CO22MgO+C
(3)2Al+2NaOH+6H2O====2Na[Al(OH)4]+3H2¡ü
Na[Al(OH)4]+CO2====Al(OH)3¡ý+NaHCO3
(4)0.64 g