钠的反应
4Na+O2===2Na2O
2Na+O2===Na2O2(加热)
2Na+2H2O===2NaOH+H2↑
(2Na+2H2O===2Na++2OH-+H2↑)
2Na+ 2HCl===2NaCl+H2↑
( 2Na+ 2H+===2Na++H2↑)
2FeCl3+6Na+6H2O===2Fe(OH)3+6NaCl+3H2↑
(2Fe3++6Na+6H2O===2Fe(OH)3+6Na++3H2↑)
Na2O+H2O===2NaOH
( Na2O+H2O===2Na++2OH)-
2Na2O2+2H2O===4NaOH+O2↑
(2Na2O2+2H2O===4Na++4OH-+O2↑)
Na2O2+2HCl===2NaCl+H2O
(Na2O2+2H+===2Na++H2O)
2Na2O2+2CO2===2Na2CO3+O2↑
Na2CO3+2HCl=== 2NaCl +H2O+CO2↑
(CO32-+2H+=== H2O+CO2↑)
NaHCO3+ HCl===NaCl+H2O+CO2↑
(HCO3-+ H+ ===H2O+CO2↑)
2NaHCO3=== Na2CO3+CO2↑+H2O(加热)
2NaOH +CuSO4===Cu(OH)2↓+Na2SO4
(2OH-+Cu2+===Cu(OH)2↓)
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