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22Ä⚪EᡠűÆÇḄÈÉᓄᱥÊ_ËÌᦪ)⊤:ÆÇFe3+Zn2+Cu2+Fe2+Mg2+Ï4.0x10-386.7xlO-172.2x10-28.0xl()T61.8xl0-"Ð21ᑡÒ⚪Ó(1)¨©ᯏÕÖᡂÉᓄḄᓄ£»×(2)ØÙÚḄÛᦔaÝḄÞßᨵஹ(3)àᐭᱥ¯XyÊápH=5,ᨬ〉äåᵨḄX(æ᪗è)A.NH-HOB.Ca(OH)C.NaOH322¾¿জḄª⌕ᡂᑖஹஹ(4)ᔣ80~90࠷Ḅ¾áজEᑖᢇàᐭ〉vKMnOÊáᐙᑖ¦^¾¾¿ঝEᨵ4MnO,%ì¦ḄÆÇ»×o2(5)¾áঝEàᐭíḄîḄ»(6)¾¿টïH2sO&¦alðñHFòóôᑭᵨHqᑮḄ÷øᱥஹᯏÕù2ᫀ1(1)ZnCO=,Zn0+C012(2)জ.úᜧûüঝ.$ᯏÕḄøᱥýþúᜧ'ÿ☢ஹᜧ⏚Ḅ(3)জ.Bঝ.Fe(0H)3ঞ.CaSOট.Si042(4)3Fe2t+MnO"+7H0=3Fe(OH)I+MnOI+51f232(5)+ᣚCu*/Cu01◀3(6)জ.CaSO,ঝ.MgSO,ூ8᪆ூᑖ᪆ᵫ⚪>?@ABCDḄE⌕ᡂᑖ/ZnC03,ᩖJ/Si?MNCaஹMgஹFeஹCuḄᯏPᓄᔠᱥATᔠUVWᑖ᪆ABCDᯏPAE⌕XYZ[ZnC03=Zn0+C0",]^ᐭH2soi⏚bAcᑮeZn"ஹCa"ஹMa"ஹFe"ஹFe"ஹCu"Ḅfg,^ᐭᱥJXi⁚pH=5,Tᔠ⊤mᦪoApqcᑮFe(OH)sஹCaSO.„SiO?ḄqsজAqgজtE⌕eᨵZnlCu*ஹMg"ஹCa2\Fe",]ᔣqgজt^ᐭKMnO,fgzᓄFe2,,pqcᑮFe(0H)3{MnO?ḄqsঝAqgঝt^ᐭC|AXYZ[Zn+Cu2+=Zn2+=Cu,pq}cᑮqsঞ/Cu,]ᔣqgঞt^ᐭHFῃ┛╅Apqcᑮqsট/CaFzஹMgR,qgট/ZnSO,fgAᑡᜐᳮcᑮZnSO,•7HQ,oᑖ᪆8
23ூ18ᯏPᵫᑖ᪆AᯏPAYᡂZnOḄZ[/ZnC03^=Zn0+C0t"2ூ28ᵨᜧஹᯏP}ḄᱥAᜧ☢ஹᜧ⏚Ḅ¡CḄb¢᳛"38A.N&•HQ᧕ᑖ8YNIL,©ª«¬A®ᡂ¯°¡AᦑA²〉´"B.Ca(OH)z²µ¶ᐭ·ḄᩖJAᡂ¯°¸AᦑB〉´"C.NaOHµ¶ᐭᩖJNa*,ᡂ¯°¡AC²〉´;ᦑᫀ⌱B"¼½¾¿ᐰ(ÁÂÃ10mol/L),Tᔠ⊤mKspÆÇᔜÁ¿ᐰ½¾pH<5ḄÊᨵFe",ᦑqsজtᨵFe(OH)3,ËCaSO,ÌÍfᱥASiO?²fÃ⏚AᦑqsজḄE⌕ᡂᑖÌFe(OH)3ஹCaSOÎSi0"2ூ48ᔣ80'90࠷qgজt^ᐭKMnO,fgAzᓄFe,cᑮFe(OH),{MnOeḄqsঝAZ[ḄÁÂV/3Fe2A+MnO+7HO=3Fe(OH)I+MnO,I+5H1"423ூ58qgঝt^ᐭC|AXYZ[Zn+Cu2=Zn2=Cu,ᦑ^ᐭC|ḄÓḄ/+ᣚCu"/Cu01◀3"ூ68ᵫᑖ᪆Aqsট/CaF?ஹMgFz,Ô⏚Z[cᑮHF,ÕcᑮḄÖᱥ/CaSO,ஹMgSO,27.(15ᑖ)ᓄ×ØÙᵨêᧇஹÛÜÝÞßÞYḄᓄ×àátâeᨵãäḄ᯼ᮞNçèéᓄᱥᩖJᓄ×᧕fÃêë⏣AçèéᓄᱥífÃë⏣îïðtâᵨ95%ë⏣çTᨔóᓄᓄ×àáôõᑡ⚪(1)ßÞöâᵨø(Na2sOrlOH?){᯼|ᙠ¡ûõYᓄ×AÕYᡂCO,üZ[ḄᓄýV/o(2)f8ôUþ+ ᡠ◤ᐭᐸᑁᓣ !"Ḅ1/3.(ᓣ )*+Ḅ,-o
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