é«ä¸åå¦ææçåå¦æ¹ç¨å¼
ä¸. ééå±åè´¨ï¼F2ï¼Cl2,O2,S,N2,P,C,Siï¼
1ãæ°§åæ§ï¼
F2+H2===2HF F2+Xe(è¿é)===XeF2 2F2ï¼è¿éï¼+Xe===XeF4
nF2+2M===2MFn(表示大é¨åéå±) 2F2+2H2O===4HF+O2
2F2+2NaOH===2NaF+OF2+H2O F2+2NaCl===2NaF+Cl2
F2+2NaBr===2NaF+Br2 F2+2NaI===2NaF+I2 F2+Cl2(çä½ç§¯)===2ClF
3F2(è¿é)+Cl2===2ClF3 7F2(è¿é)+I2===2IF7
Cl2+H2===2HCl 3Cl2+2P===2PCl3 Cl2+PCl3===PCl5
Cl2+2Na===2NaCl 3Cl2+2Fe===2FeCl3 Cl2+2FeCl2===2FeCl3
Cl2+Cu===CuCl2 2Cl2+2NaBr===2NaCl+Br2 Cl2+2NaI===2NaCl+I2
5Cl2+I2+6H2O===2HIO3+10HCl Cl2+Na2S===2NaCl+S
Cl2+H2S===2HCl+S Cl2+SO2+2H2O===H2SO4+2HCl Cl2+H2O2===2HCl+O2
2O2+3Fe===Fe3O4 O2+K===KO2
S+H2===H2S 2S+C===CS2 S+Fe===FeS S+2Cu===Cu2S
3S+2Al===Al2S3 S+Zn===ZnS
N2+3H2===2NH3 N2+3Mg===Mg3N2 N2+3Ca===Ca3N2
N2+3Ba===Ba3N2 N2+6Na===2Na3N N2+6K===2K3N
N2+6Rb===2Rb3N
P4+6H2===4PH3 P+3Na===Na3P 2P+3Zn===Zn3P2
2ãè¿åæ§
S+O2===SO2 S+H2SO4(æµ)===3SO2+2H2O
S+6HNO3(æµ)===H2SO4+6NO2+2H2O 3S+4HNO(ç¨)===3SO2+4NO+2H2O
N2+O2===2NO
4P+5O2===P4O10(常åæP2O5) 2P+3X2===2PX3ï¼X表示F2ï¼Cl2ï¼Br2ï¼
PX3+X2===PX5 P4+20HNO3(æµ)===4H3PO4+20NO2+4H2O
C+2F2===CF4 C+2Cl2===CCl4 2C+O2(å°é)===2CO
C+O2(足é)===CO2 C+CO2===2CO C+H2O===CO+H2(çææ°´ç
¤æ°)
2C+SiO2===Si+2CO(å¶å¾ç²ç¡
)
Si(ç²)+2Cl===SiCl4 (SiCl4+2H2===Si(纯)+4HCl) Si(ç²)+O2===SiO2
Si+C===SiC(éåç ) Si+2NaOH+H2O===Na2SiO3+2H2
3ãï¼ç¢±ä¸ï¼æ§å
Cl2+H2O===HCl+HClOï¼å é
¸æå¶æ§åï¼å 碱æå
ç
§ä¿è¿æ§åï¼
Cl2+2NaOH===NaCl+NaClO+H2O Cl2+2Caï¼OHï¼2===CaCl2+Caï¼ClOï¼2+2H2O
3Cl2+6KOHï¼çï¼æµï¼===5KCl+KClO3+3H2O 3S+6NaOH===2Na2S+Na2SO3+3H2O
4P+3KOHï¼æµï¼+3H2O===PH3+3KH2PO2
11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
3C+CaO===CaC2+CO 3C+SiO2===SiC+2CO
äºï¼éå±åè´¨ï¼Naï¼Mgï¼Alï¼Feï¼çè¿åæ§
2Na+H2===2NaH 4Na+O2===2Na2O 2Na2O+O2===2Na2O2
2Na+O2===Na2O2 2Na+S===Na2Sï¼çç¸ï¼ 2Na+2H2O===2NaOH+H2
2Na+2NH3===2NaNH2+H2 4Na+TiCl4ï¼çèï¼===4NaCl+Ti
Mg+Cl2===MgCl2 Mg+Br2===MgBr2 2Mg+O2===2MgO
Mg+S===MgS Mg+2H2O===Mgï¼OHï¼2+H2
2Mg+TiCl4ï¼çèï¼===Ti+2MgCl2 Mg+2RbCl===MgCl2+2Rb
2Mg+CO2===2MgO+C 2Mg+SiO2===2MgO+Si Mg+H2S===MgS+H2
Mg+H2SO4===MgSO4+H2
2Al+3Cl2===2AlCl3 4Al+3O2===2Al2O3ï¼éåï¼
4Al(Hg)+3O2+2xH2O===2(Al2O3.xH2O)+4Hgï¼éæ±é½ï¼
4Al+3MnO2===2Al2O3+3Mn 2Al+Cr2O3===Al2O3+2Cr 2Al+Fe2O3===Al2O3+2Fe
2Al+3FeO===Al2O3+3Fe 2Al+6HCl===2AlCl3+3H2
2Al+3H2SO4===Al2(SO4)3+3H2
2Al+6H2SO4(æµ)===Al2(SO4)3+3SO2+6H2O(Al,Feå¨å·,æµçH2SO4,HNO3ä¸éå)
Al+4HNO(ç¨)===Al(NO3)3+NO+2H2O 2Al+2NaOH+2H2O===2NaAlO2+3H2
2Fe+3Br2===2FeBr3 Fe+I2===FeI2 Fe+S===FeS
3Fe+4H2O(g)===Fe3O4+4H2 Fe+2HCl===FeCl2+H2 Fe+CuCl2===FeCl2+Cu
Fe+SnCl4===FeCl2+SnCl2(éå¨é
¸æ§ç¯å¢ä¸,ä¸è½æåæ°¯åé¡å®å
¨è¿å为åè´¨é¡Fe+SnCl2==FeCl2+Sn)
ä¸ï¼ééå±æ°¢åç©(HF,HCl,H2O,H2S,NH3)
1ãè¿åæ§:
4HCl(æµ)+MnO2===MnCl2+Cl2+2H2O 4HCl(g)+O2===2Cl2+2H2O
16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
2H2O+2F2===4HF+O2 2H2S+3O2(足é)===2SO2+2H2O
2H2S+O2(å°é)===2S+2H2O 2H2S+SO2===3S+2H2O
H2S+H2SO4(æµ)===S+SO2+2H2O 3H2S+2HNO(ç¨)===3S+2NO+4H2O
5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O
3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O2é«ä¸åå¦ææçåå¦æ¹ç¨å¼ H2S+4Na2O2+2H2O===Na2SO4+6NaOH
2NH3+3CuO===3Cu+N2+3H2O 2NH3+3Cl2===N2+6HCl
8NH3+3Cl2===N2+6NH4Cl 4NH3+3O2(纯氧)===2N2+6H2O
4NH3+5O2===4NO+6H2O 4NH3+6NO===5N2+6HO(ç¨æ°¨æ¸
é¤NO)
NaH+H2O===NaOH+H2 4NaH+TiCl4===Ti+4NaCl+2H2
CaH2+2H2O===Ca(OH)2+2H2
2ãé
¸æ§:
4HF+SiO2===SiF4+2H2Oï¼æ¤ååºå¹¿æ³åºç¨äºæµå®ç¿æ ·æé¢æ ·ä¸SiO2çå«éï¼
2HF+CaCl2===CaF2+2HCl
H2S+Fe===FeS+H2 H2S+CuCl2===CuS+2HCl H2S+2AgNO3===Ag2S+2HNO3
H2S+HgCl2===HgS+2HCl H2S+Pb(NO3)2===PbS+2HNO3
H2S+FeCl2===FeS+2HCl
2NH3+2Na==2NaNH2+H2 (NaNH2+H2O===NaOH+NH3)
3ã碱æ§ï¼
NH3+HCl===NH4Cl NH3+HNO3===NH4NO3 2NH3+H2SO4===(NH4)2SO4
NH3+NaCl+H2O+CO2===NaHCO3+NH4Clï¼æ¤ååºç¨äºå·¥ä¸å¶å¤å°èæï¼èæï¼
4ãä¸ç¨³å®æ§ï¼
2HF===H2+F2 2HCl===H2+Cl2 2H2O===2H2+O2 2H2O2===2H2O+O2
H2S===H2+S 2NH3===N2+3H2
åï¼ééå±æ°§åç©
1ãä½ä»·æçè¿åæ§ï¼
2SO2+O2+2H2O===2H2SO4ï¼è¿æ¯SO2å¨å¤§æ°ä¸ç¼æ
¢åççç¯å¢åå¦ååºï¼
2SO2+O2===2SO3 SO2+Cl2+2H2O===H2SO4+2HCl SO2+NO2===SO3+NO
SO2+Br2+2H2O===H2SO4+2HBr SO2+I2+2H2O===H2SO4+2HI
2NO+O2===2NO2
NO+NO2+2NaOH===2NaNO2ï¼ç¨äºå¶ç¡é
¸å·¥ä¸ä¸å¸æ¶å°¾æ°ä¸çNOåNO2ï¼
2CO+O2===2CO2 CO+CuO===Cu+CO2 3CO+Fe2O3===2Fe+3CO2
CO+H2O===CO2+H2
2ãæ°§åæ§ï¼
SO2+2H2S===3S+2H2O SO3+2KI===K2SO3+I2
NO2+2KI+H2O===NO+I2+2KOHï¼ä¸è½ç¨æ·ç²KI溶液é´å«æº´è¸æ°åNO2ï¼
4NO2+H2S===4NO+SO3+H2O 2NO2+Cu===4CuO+N2
CO2+2Mg===2MgO+C(CO2ä¸è½ç¨äºæçç±Mg,Ca,Ba,Na,Kççç§çç«ç¾)
SiO2+2H2===Si+2H2O SiO2+2Mg===2MgO+Si
3ãä¸æ°´çä½ç¨:
SO2+H2O===H2SO3 SO3+H2O===H2SO4 3NO2+H2O===2HNO3+NO
N2O5+H2O===2HNO3 P2O5+H2O===2HPO3
P2O5+3H2O===2H3PO4(P2O5ææå¸æ°´,å¯ä½æ°ä½å¹²ç¥å)
P2O5+3H2SO4(æµ)===2H3PO4+3SO3 CO2+H2O===H2CO3
4ãä¸ç¢±æ§ç©è´¨çä½ç¨:
SO2+2NH3+H2O===(NH4)2SO3 SO2+(NH4)2SO3+H2O===2NH4HSO3
(è¿æ¯ç¡«é
¸ååæ¶SO2çååº.å
ç¨æ°¨æ°´å¸æ¶SO2,åç¨H2SO4å¤ç:2NH4HSO3+H2SO4===(NH4)2SO4+2H2O+2SO2çæçç¡«é
¸éµä½åè¥,SO2循ç¯ä½åææ°)
SO2+Ca(OH)2===CaSO3+H2O(ä¸è½ç¨æ¾æ¸
ç³ç°æ°´é´å«SO2åCO2.å¯ç¨å红é´å«)
SO3+MgO===MgSO4 SO3+Ca(OH)2===CaSO4+H2O
CO2+2NaOH(è¿é)===Na2CO3+H2O CO2(è¿é)+NaOH===NaHCO3
CO2+Ca(OH)2(è¿é)===CaCO3+H2O 2CO2(è¿é)+Ca(OH)2===Ca(HCO3)2
CO2+2NaAlO2+3H2O===2Al(OH)3+Na2CO3 CO2+C6H5ONa+H2O===C6H5OH+NaHCO3
SiO2+CaO===CaSiO3 SiO2+2NaOH===Na2SiO3+H2O(常温ä¸å¼ºç¢±ç¼æ
¢è
èç»ç)
SiO2+Na2CO3===Na2SiO3+CO2 SiO2+CaCO3===CaSiO3+CO2
äºï¼éå±æ°§åç©
1ãä½ä»·æçè¿åæ§:
6FeO+O2===2Fe3O4 FeO+4HNO3===Fe(NO3)3+NO2+2H2O
2ãæ°§åæ§:
Na2O2+2Na===2Na2Oï¼æ¤ååºç¨äºå¶å¤Na2Oï¼
MgOï¼Al2O3å ä¹æ²¡ææ°§åæ§ï¼å¾é¾è¢«è¿å为Mgï¼Al.ä¸è¬éè¿çµè§£å¶MgåAl.
Fe2O3+3H2===2Fe+3H2O(å¶è¿åéç²) Fe3O4+4H2===3Fe+4H2O
3ãä¸æ°´çä½ç¨:
Na2O+H2O===2NaOH 2Na2O2+2H2O===4NaOH+O2
(æ¤ååºå两æ¥:Na2O2+2H2O===2NaOH+H2O2;2H2O2===2H2O+O2.H2O2çå¶å¤å¯å©ç¨ç±»ä¼¼çååº:BaO2+H2SO4(ç¨)===BaSO4+H2O2)
MgO+H2O===Mg(OH)2(ç¼æ
¢ååº)
4ãä¸é
¸æ§ç©è´¨çä½ç¨:
Na2O+SO3===Na2SO4 Na2O+CO2===Na2CO3 Na2O+2HCl===2NaCl+H2O
2Na2O2+2CO2===2Na2CO3+O2 Na2O2+H2SO4(å·,ç¨)===Na2SO4+H2O2
MgO+SO3===MgSO4 MgO+H2SO4===MgSO4+H2O
Al2O3+3H2SO4===Al2(SO4)3+3H2O(Al2O3æ¯ä¸¤æ§æ°§åç©:Al2O3+2NaOH===2NaAlO2+H2O)
FeO+2HCl===FeCl2+3H2O Fe2O3+6HCl===2FeCl3+3H2O
Fe2O3+3H2S(g)===Fe2S3+3H2O Fe3O4+8HCl===FeCl2+2FeCl3+4H2O 3é«ä¸åå¦ææçåå¦æ¹ç¨å¼ å
ï¼å«æ°§é
¸
1ãæ°§åæ§:
4HClO3+3H2S===3H2SO4+4HCl HClO3+HI===HIO3+HCl
3HClO+HI===HIO3+3HCl HClO+H2SO3===H2SO4+HCl
HClO+H2O2===HCl+H2O+O2(æ°§åæ§:HClO>HClO2>HClO3>HClO4,ä½æµ,ççHClO4æ°§åæ§å¾å¼º)
2H2SO4(æµ)+C===CO2+2SO2+2H2O 2H2SO4(æµ)+S===3SO2+2H2O
H2SO4+Fe(Al)室温ä¸éå 6H2SO4(æµ)+2Fe===Fe2(SO4)3+3SO2+6H2O
2H2SO4(æµ)+Cu===CuSO4+SO2+2H2O H2SO4(æµ)+2HBr===SO2+Br2+2H2O
H2SO4(æµ)+2HI===SO2+I2+2H2O H2SO4(ç¨)+Fe===FeSO4+H2
2H2SO3+2H2S===3S+2H2O 4HNO3(æµ)+C===CO2+4NO2+2H2O
6HNO3(æµ)+S===H2SO4+6NO2+2H2O 5HNO3(æµ)+P===H3PO4+5NO2+H2O
6HNO3+Fe===Fe(NO3)3+3NO2+3H2O 4HNO3+Fe===Fe(NO3)3+NO+2H2O
30HNO3+8Fe===8Fe(NO3)3+3N2O+15H2O 36HNO3+10Fe===10Fe(NO3)3+3N2+18H2O
30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
2ãè¿åæ§:
H2SO3+X2+H2O===H2SO4+2HX (X表示Cl2,Br2,I2) 2H2SO3+O2===2H2SO4
H2SO3+H2O2===H2SO4+H2O 5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
3ãé
¸æ§:
H2SO4(æµ)+CaF2===CaSO4+2HF H2SO4(æµ)+NaCl===NaHSO4+HCl
H2SO4(æµ)+2NaCl===Na2SO4+2HCl H2SO4(æµ)+NaNO3===NaHSO4+HNO3
3H2SO4(æµ)+Ca3ï¼PO4ï¼2===3CaSO4+2H3PO4
2H2SO4(æµ)+Ca3ï¼PO4ï¼2===2CaSO4+Caï¼H2PO4ï¼2
3HNO3+Ag3PO4===H3PO4+3AgNO3 2HNO3+CaCO3===Caï¼NO3ï¼2+H2O+CO2
ï¼ç¨HNO3åæµH2SO4ä¸è½å¶å¤H2Sï¼HIï¼HBrï¼ SO2çè¿åæ§æ°ä½ï¼
4H3PO4+Ca3ï¼PO4ï¼2===3Caï¼H2PO4ï¼2ï¼ééï¼
H3PO4ï¼æµï¼+NaBr===NaH2PO4+HBr H3PO4ï¼æµï¼+NaI===NaH2PO4+HI
4ãä¸ç¨³å®æ§ï¼
2HClO===2HCl+O2 4HNO3===4NO2+O2+2H2O H2SO3===H2O+SO2
H2CO3===H2O+CO2 H4SiO4===H2SiO3+H2O
ä¸ï¼ç¢±
1ãä½ä»·æçè¿åæ§ï¼
4Feï¼OHï¼2+O2+2H2O===4Feï¼OHï¼3
2ãä¸é
¸æ§ç©è´¨çä½ç¨ï¼
2NaOH+SO2ï¼å°éï¼===Na2SO3+H2O NaOH+SO2ï¼è¶³éï¼===NaHSO3
2NaOH+SiO2===NaSiO3+H2O 2NaOH+Al2O3===2NaAlO2+H2O
2NaOH+Cl2===NaCl+NaClO+H2O NaOH+HCl===NaCl+H2O
NaOH+H2Sï¼è¶³éï¼===NaHS+H2O 2NaOH+H2Sï¼å°éï¼===Na2S+2H2O
3NaOH+AlCl3===Alï¼OHï¼3+3NaCl NaOH+Alï¼OHï¼3===NaAlO2+2H2O
ï¼AlCl3åAlï¼OHï¼3åªä¸ªé
¸æ§å¼ºï¼ï¼ NaOH+NH4Cl===NaCl+NH3+H2O
Mgï¼OHï¼2+2NH4Cl===MgCl2+2NH3.H2O Al(OH)3+NH4Clä¸æº¶è§£
3ãä¸ç¨³å®æ§:
Mg(OH)2===MgO+H2O 2Al(OH)3===Al2O3+3H2O 2Fe(OH)3===Fe2O3+3H2O
Cu(OH)2===CuO+H2O
å
«ï¼ç
1ãæ°§åæ§:
2FeCl3+Fe===3FeCl2 2FeCl3+Cu===2FeCl2+CuCl2 (ç¨äºéå»é线路ç)
2FeCl3+Zn===2FeCl2+ZnCl2 FeCl3+Ag===FeCl2+AgC
Fe2(SO4)3+2Ag===FeSO4+Ag2SO4(è¾é¾ååº) Fe(NO3)3+Agä¸ååº
2FeCl3+H2S===2FeCl2+2HCl+S 2FeCl3+2KI===2FeCl2+2KCl+I2
FeCl2+Mg===Fe+MgCl2
2ãè¿åæ§:
2FeCl2+Cl2===2FeCl3 3Na2S+8HNO3(ç¨)===6NaNO3+2NO+3S+4H2O
3Na2SO3+2HNO3(ç¨)===3Na2SO4+2NO+H2O 2Na2SO3+O2===2Na2SO4
3ãä¸ç¢±æ§ç©è´¨çä½ç¨:
MgCl2+2NH3.H2O===Mg(OH)2+NH4Cl AlCl3+3NH3.H2O===Al(OH)3+3NH4Cl
FeCl3+3NH3.H2O===Fe(OH)3+3NH4Cl
4ãä¸é
¸æ§ç©è´¨çä½ç¨:
Na3PO4+HCl===Na2HPO4+NaCl Na2HPO4+HCl===NaH2PO4+NaCl
NaH2PO4+HCl===H3PO4+NaCl Na2CO3+HCl===NaHCO3+NaCl
NaHCO3+HCl===NaCl+H2O+CO2 3Na2CO3+2AlCl3+3H2O===2Al(OH)3+3CO2+6NaCl
3Na2CO3+2FeCl3+3H2O===2Fe(OH)3+3CO2+6NaCl
3NaHCO3+AlCl3===Al(OH)3+3CO2 3NaHCO3+FeCl3===Fe(OH)3+3CO2
3Na2S+Al2(SO4)3+6H2O===2Al(OH)3+3H2S 3NaAlO2+AlCl3+6H2O===4Al(OH)3
5ãä¸ç¨³å®æ§:
Na2S2O3+H2SO4===Na2SO4+S+SO2+H2O NH4Cl===NH3+HCl
NH4HCO3===NH3+H2O+CO2 2KNO3===2KNO2+O2
2Cu(NO3)3===2CuO+4NO2+O2 2KMnO4===K2MnO4+MnO2+O2
2KClO3===2KCl+3O2 2NaHCO3===Na2CO3+H2O+CO2
Ca(HCO3)2===CaCO3+H2O+CO2 CaCO3===CaO+CO2 MgCO3===MgO+CO2æå
³ç¡«åæ°¢çååº
ç¡«åæ°¢æ¯ä¸ç§æ è²ãæè鸡èæ°å³çå§æ¯æ°ä½ï¼å¯åº¦æ¯ç©ºæ°ç¥å¤§ï¼è½æº¶äºæ°´ï¼å¸¸æ¸©å¸¸åä¸1ï¼2.6ï¼ãç¡«åæ°¢çåå¦æ§è´¨ä¸»è¦è¡¨ç°ä¸ºå¯çæ§ï¼ä¸ç¨³å®æ§å强è¿åæ§ã
1ãç¡«åæ°¢çåå¦æ§è´¨
â å¯çæ§ãç¡«åæ°¢å¨ç©ºæ°ä¸å®å
¨çç§çææ°´åäºæ°§åç¡«ï¼2H2S+3O2====2H2O+2SO2å¨ç©ºæ°ä¸ä¸å®å
¨çç§çææ°´åå质硫ï¼2H2S+O2====2H2O+2Sãå¨è¿ä¸¤ä¸ªååºä¸ç¡«åæ°¢æ¯è¿ååï¼å æ¤ç¡«åæ°¢çå¯çæ§ï¼ä¸è®ºæ¯å®å
¨çç§è¿æ¯ä¸å®å
¨çç§ï¼å®è´¨ä¸è¯´æäºç¡«åæ°¢çè¿åæ§ã
â¡ä¸ç¨³å®æ§ãç¡«åæ°¢å¨å çæ¡ä»¶ä¸æå解çææ°¢æ°åå质硫ï¼H2S===H2+Sï¼ä¸æ°¯åæ°¢ãæ°´ç¸æ¯è¾ï¼ç¡«åæ°¢çç稳å®æ§è¾å¼±ï¼è¿è¯´æç¡«çééå±æ§æ¯æ°¯ã氧弱ã
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ç´ çåå价为-2ä»·ï¼æ¯ç¡«å
ç´ çæä½ä»·ï¼ï¼ä¸è½åè·å¾çµåï¼èåªè½å¤±å»çµåï¼å æ¤ç¡«åæ°¢å
·æè¿åæ§ãå¦ç¡«åæ°¢è½ä½¿æ°¯æ°´ã溴水ãç¢æ°´ãé
¸æ§é«é°é
¸é¾æº¶æ¶²è¤ªè²ï¼H2S+X2=Sâ+2HXï¼X2-Cl2ãBr2ãI2ï¼ï¼
5H2S+2KMnO4+3H2SO4=5Sâ+2MnSO4+K2SO4+8H2O
ç¡«åæ°¢è½ä¸äºæ°§åç¡«ååºçææ°´åå质硫ï¼2H2S+SO2=2H2O+S
ç¡«åæ°¢è¿è½ä¸æµç¡«é
¸åçæ°§åè¿åååºï¼H2S+H2SO4(æµ)=Sâ+SO2+2H2O
2ãç¡«åæ°¢çå®éªå®¤å¶æ³
å®éªå®¤å¸¸ç¨åºä½ç¡«åäºéåç¨ç¡«é
¸ååºå¶åç¡«åæ°¢ï¼FeS+H2SO4=FeSO4+H2Sâï¼åçè£
ç½®æ¯å¯æ®åçå¨ï¼ç¨åä¸æ空æ°æ³æ¶éï¼å°¾æ°ç¨ç¡«é
¸é溶液å¸æ¶ï¼
H2S+CuSO4=CuSâ(é»è²)+H2SO4ãç±äºç¡«åæ°¢æ°ä½å¨å¸¸æ¸©ä¸å
·æ强è¿åæ§ï¼å æ¤ä¸è½ç¨æ°§åæ§é
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