_________+H2SO4=NA2SO4+________ BA(OH)2+__________=________沉淀+_______沉淀 NAOH+________=NACL+___________+_________ NAHCO3+___________=NACL+H2O+CO2 FE+_________=CU+__________ BACL2+__________=NACL+_________

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_________+H2SO4=NA2SO4+________ BA(OH)2+__________=________沉淀+_______沉淀 NAOH+________=NACL+___________+_________ NAHCO3+___________=NACL+H2O+CO2 FE+_________=CU+__________ BACL2+__________=NACL+_________
_________+H2SO4=NA2SO4+________ BA(OH)2+__________=________沉淀+_______沉淀 NAOH+________=NACL+___________+_________ NAHCO3+___________=NACL+H2O+CO2 FE+_________=CU+__________ BACL2+__________=NACL+_________

_________+H2SO4=NA2SO4+________ BA(OH)2+__________=________沉淀+_______沉淀 NAOH+________=NACL+___________+_________ NAHCO3+___________=NACL+H2O+CO2 FE+_________=CU+__________ BACL2+__________=NACL+_________
Na2CO3+H2SO4=H20+CO2+NASO4
BA(OH)2+CUSO4=CU(OH)2+BASO4 都是沉淀
NAOH+HCL=NACL+H2O+CO2
NAHCO3+HCL=NACL+H2O+CO2
FE+CUCL2=CU+FECL2
BACL2+NA2SO4=2NACL+BASO4沉淀