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K LEHST IEHIST K LEHST 由②⑤得[E-] THMLST.IEHS] 由⑤得[EH=3[EHS] K,UHI.EHST 由①⑤得[EH21=K 由④得|E-)。Ks2.EFSl [H+] 由③得[EH2S=H K V=k2[EHS], [EJo=[E]+[EH]+[EH2*]+[ES ]+[EHS]+[EH2*S]. k,IEHSI [Elo [E]+[EH]+[EH ]+[ES" ]+[EHS]+[EH;ST 将式⑥代入上式得 k,[[EHST [HIS] [S] KeI[S] [H/**H+ ke2k,k,,k。[fH [EHST 分子分母同乘以S]得 k2[E]0[S] K,'(+l*] AKAN [S](l+ [H].K K 分子分母同除以1+ 得 Ke [h3 2 [ ] [ ][ ] Kes EHS ES H = − + ………④ ' [ ] [ ][ ] s K EHS EH S = ………⑤ 由②⑤得 [ ] [ ][ ] ' [ ] 2 EHS H S K K E e s =  + − ; 由⑤得 [ ] [ ] ' [ ] EHS S K EH s =  ; 由①⑤得 [ ] [ ] '[ ] [ ] 1 2 EHS K S K H EH e s =  + + ; 由④得 [ ] [ ] [ ] 2 EHS H K ES es =  + − ; 由③得 [ ] [ ] [ ] 1 2 EHS K H EH S es =  + + ; ∵ V = k2[EHS], [E]0 = [E- ]+[EH]+[EH2 + ]+[ES- ]+[EHS]+[EH2 +S], ∴ [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 2 2 2 0 E EH EH ES EHS EH S k EHS E V − + − + + + + + + = 将式⑥代入上式得 ) [ ] [ ] 1 [ ] [ ] '[ ] [ ] ' [ ][ ] ' ( [ ] [ ] 1 2 1 2 2 0 EHS K H H K K S K H S K H S K K k E EHS V es es e e s s s + + + + +  = + + + + 分子分母同乘以[S]得 ) [ ] [ ] ) [ ](1 [ ] [ ] '(1 [ ] [ ] 2 1 2 1 2 0 + + + + + + + + + = H K K H S H K K H K k E S V es es e e s 分子分母同除以 [ ] [ ] 1 2 1 + + + + H K K H es es 得
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