内容正文:
第6讲 酸和碱
知识清单·理脉络
实验探究·培素养
梯级训练·提素能
知识清单·理脉络
【常考化学方程式集锦】
(1)物质与酸的反应
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Zn+2HCl===ZnCl2+H2↑
Zn+H2SO4===ZnSO4+H2↑
Fe+2HCl===FeCl2+H2↑
Fe+H2SO4===FeSO4+H2↑
CuO+2HCl===CuCl2+H2O
CuO+H2SO4===CuSO4+H2O
Fe2O3+6HCl===2FeCl3+3H2O
Fe2O3+3H2SO4===Fe2(SO4)3+3H2O
AgNO3+HCl===AgCl↓+HNO3
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H2SO4+BaCl2===BaSO4↓+2HCl
Ba(NO3)2+H2SO4===BaSO4↓+2HNO3
2HCl+CaCO3===CaCl2+H2O+CO2↑
CaCO3+H2SO4===CaSO4+H2O+CO2↑
Na2CO3+2HCl===2NaCl+H2O+CO2↑
Na2CO3+H2SO4===Na2SO4+H2O+CO2↑
NaOH+HCl===NaCl+H2O
2NaOH+H2SO4===Na2SO4+2H2O
Ca(OH)2+2HCl===CaCl2+2H2O
Ca(OH)2+H2SO4===CaSO4+2H2O
(2)物质与碱的反应
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CO2+2NaOH===Na2CO3+H2O
CO2+Ca(OH)2===CaCO3↓+H2O
SO2+2NaOH===Na2SO3+H2O
SO2+Ca(OH)2===CaSO3+H2O
2NaOH+CuSO4===Cu(OH)2↓+Na2SO4
Ca(OH)2+CuSO4===CaSO4+Cu(OH)2↓
FeCl3+3NaOH===Fe(OH)3↓+3NaCl
3Ca(OH)2+2FeCl3===2Fe(OH)3↓+3CaCl2
2NaOH+MgCl2===Mg(OH)2↓+2NaCl
Ca(OH)2+MgCl2===Mg(OH)2↓+CaCl2
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