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2HgCl2 + SO2 + 2H2O = Hg2Cl2¡ý + 2HCl + H2SO4

¢Û Hg (¢ò)Éú³ÉÎȶ¨ÅäºÏÎï»òÄÑÈÜÎïʱ£¬Hg(¢ñ) ¡úHg(¢ò)

Hg22++ 2OH- = HgO¡ý+ Hg¡ý+ H2O Hg22+ + H2S = HgS¡ý+ Hg¡ý + 2H+ Hg22+ + 4I- = HgI42- + Hg¡ý

£¨2£© 2 Cu+ = Cu2+ + Cu ¿É¼ÓÈëCu+Àë×ӵijÁµí¼ÁʹƽºâÏò×óÒÆ

Àý£ºCu2+ + Cu + 2Cl- = 2CuCl

£¨3£©Hg2+ + Hg = Hg22+ ¿É¼ÓÈëHg2+Àë×ӵijÁµí¼ÁʹƽºâÏò×óÒÆ

Àý£ºHg22+ + H2S = HgS + Hg + 2H+

Hg2?2OH2???Hg??HgO??H2O

Hg2Cl2?2NH3?Hg(NH2)Cl??Hg??NH4Cl

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½â£ºÊ×ÏÈ·Ö±ð¼ÓÈëNH3?H2O°±Ë®£¬ÈܽâΪÎÞÉ«ÈÜÒºµÄÊÇAgCl£»ÏÈÈܽâΪÎÞÉ«ÈÜÒº£¬È»ºó±äΪÀ¼É«ÈÜÒºµÄÊÇCuCl£»³Áµí²»ÈÜ£¬×ª±äΪ»ÒÉ«³ÁµíµÄÊÇHg2Cl2¡£ AgCl + 2NH3 = Ag(NH3)2+ + Cl-

CuCl + 2NH3 = Cu(NH3)2+ + Cl-

4Cu(NH3)2+ + O2 + 8NH3 + 2H2O = 4Cu(NH3)42+ + 4OH-

Hg2Cl2 + 2NH3 = Hg¡ýºÚ + HgNH2Cl¡ý°× + NH4Cl

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¶¨Ó°£ºÓÃNa2S2O3ʹδ¸Ð¹âµÄAgBrÈܽ⡣ʣÏÂAg²»Ôٱ仯¡£ AgBr + 2Na2S2O3 = Na3[Ag(S2O3)2] + NaBr 22-17£¨1£©ÔõÑù´Ó»ÆÍ­¿óCuFeS2 ÖƱ¸CuF2 £» £¨2£©´Ó[Ag(S2O3)2]3- ÈÜÒºÖлØÊÕAg £» £¨3£©´Ó ZnSÖƱ¸ZnCl2 £¨ÎÞË®£©£»

£¨4£©ÔõÑù´ÓHg(NO3)2 ÖƱ¸¢ÙHg2Cl2; ¢Ú HgO ;¢Û HgCl2 ;¢Ü HgI2 ;¢ÝK[HgI4] 17¡¢½â£º(1) CuFeS2 + O2 = Cu2S + 2FeS + SO2¡ü

Cu2S + 2HNO3 = 6Cu(NO3)2 + 3H2SO4 + 10NO¡ü + 8H2O Cu(NO3)2 + 2NaOH = Cu(OH)2 + 2NaNO3 Cu(OH)2 + 2HF = CuF2 + 2H2O

(2) [Ag(S2O3)2]3- + 4H+ + I- = AgI + 2S + 2SO2 + 2H2O

hv??Ag + I2 2AgI ? (3) ZnS + 2HCl + nH2O = ZnCl2?nH2O + H2S

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hv

ZnCl2?nH2O ===== ZnCl2 + nH2O

(4) 6Hg(NO3)2 + 12NaCl + 6FeSO4 = 3Hg2Cl2 ¡ý+ 12NaNO3 + 2FeCl3 + 2Fe2(SO4)3 Hg(NO3)2 + 2NaOH = 2NaNO3 + HgO ¡ý+ H2O Hg(NO3)2 + Hg = Hg2(NO3)2

Hg2(NO3)2 + 2HCl = Hg2Cl2¡ý + 2HNO3

hv Hg2Cl2 ======HgCl2 + Hg

Hg(NO3)2 + 2KI = HgI2 ¡ý+ 2KNO3 HgI2 + 2KI = K2[HgI4] 22-18·ÖÀëÏÂÁи÷×é»ìºÏÎ

£¨1£© CuSO4ºÍZnSO4 £¨2£©CuSO4ºÍCdSO4 £¨3£©CdSºÍHgS £¨4£©Hg2Cl2ºÍHgCl2 18¡¢½â£º£¨1£©2Cu2+ + 4I- = 2CuI¡ý+ I2 Zn2+ + I- ¡ú ²»·´Ó¦

£¨2£©½«»ìºÏÎïÈÜÓÚË®ºó¼ÓÈëÑÎËᣬʹHClŨ¶ÈΪ1mol?L-1ͨÈëH2S Cu2??H2S??????CuS??2H?

?11mol?LHCl?11mol?LHCl Cd2??H2S?????²»·´Ó¦

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HgS + H2O2 = HgSO4

CdS + 2HCl£¨Å¨£©= H2S + CdCl2 HgS + HCl£¨Å¨£©¡ú ²»·´Ó¦

£¨4£©¼ÓË®ÖÐ HgCl2Èܽ⣬¶øHg2Cl2²»Èܽâ

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5?0.75?0.059mol

63.51000?1.13?0.278 HNO3ÈÜÒºµÄŨ¶ÈΪ£º?4.99mol?L?1

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8?0.0591000??31.5mL 34.99 3Zn + 8HNO3 = 3Zn(NO3)2 + 2NO¡ü + 4H2O

3Pb + 8HNO3 = 3Pb(NO3)2 + 2NO¡ü + 4H2O

ͬÀí¿ÉµÃ£ºZnÐèHNO310mL PbÐèHNO3 0.08mL ½â£º

n?5.00?75.0%5.00?24.4%5.00?0.6%???0.0778mol63.5565.39207.23M + 8HNO3 = 3M(NO3)2 + 2NO + 4H2O 3 : 8

27%0.0778 : 1 .13 ? .8 ? x x = 41.6ml

63.01

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HgNH2Cl +Hg Ag(NH3)2+ CuI Zn2+,Cd2+,HgI42-,Al3+ NH3?H2O

HgNH2I,HgNH2Cl,Al(OH)3 Zn(NH3)42+,Cd(NH3)42+

NaOH ¨U¦¤

Zn(OH)2,Cd(OH)2 HgNH2I,HgNH2Cl Al(OH)4- NaOH

Cd(OH)2 Zn(OH)42-

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