IWNH,),l*+ , [Cu(H,NCH, COO), I , [cucl, 1’

CH 233 4 5 7

I *i1 - - - NH,

/z’\NH, NH,

ML + L M M L , $ = [ M L , ][hlL][I.]

(12.3)

(,!2.4)

M L , + L F==F* Ml,, I(, = [ML,]

[ML, ]!I,](12.5)

M +3L @ML., 6, =K,K2K,ti, = [ M L , ]

[hlj[l,j4( 1 2 . 8 )

CH 233 463

4 = K,

82 = K,K2

P3 KIK, K,

04 = K,K,K,K,

% = K,K2K,K, K,

CL, = [M]+[ML.]+[ML, ]+[ML, ] + [ML],, (12.9)

464 CH 233

(12.12)

I<, = WI (12.16)[M][B]

K = WB, 1*

[MB][B](12.17)

0, = K,K, = WI~ x ET! [MB2 1WI LB1 [bIBI IBI [M][B]’ .

( 1 2 . 1 8 )

M + 4A =c==+ M A4 . (12.19)

CH 233 4 6 5

CH 233 467

(1) 1.M Kolthoff and V.A. Stenger, Volumetric Analysis, 2ed, Vol II Interscience Publisher

New York, 1947 Mlh 332

468 CH 233

.Ag+ + Ag(CN), + 2AgCN . . . ..(12.27)

vi%

3- 4- 6 = 10.26"Y \A H+ + Y

. . . ..( 12.39)

478 CH 233

a4 = [Y4-]

CT

cT= (Y4-I+[KY3--l+[FIaYZ-]+[H,Y~]+[H,Y]

H Y w H,Y- + H+ K, =4 &J- lW+ I

W,Yl*-

H,Y-- H,Y t- H+ K, = ~2Y'-llH+ I

lH,Y- I

H,Y"v-3-

------'HY +H+ K, = [HY3-][I,+]

W,Y*-J

HY3-/ Y4-

t H+ K4 = P- IIH' 13-

IHY 1

81flRUTllT (12.42), (12.43). (12.44), (12.45) P:%l

lH,Y- 1 = lH,Yl K,

lH+l

lH,Y’- I = W,Y-I K, = K,K, lH,Yl[f-l+ 1 W+ 1”

3 -~WY 1 = [I,,Y*-] K, = K1K,K3 [H,Y]

W+ 1 W+ I3

. . . ..(12.40)

. . . ..(12.41)

. . . ..(12.42)

. . . ..(12.43)

. . . ..(12.44)

. . . ..(12.45)

. . . ..(12.46)

. . . . . (12.47)

. . . ..(12.48)

1y4- 1 = [HY3-] K, = K,K,K,K, [H,Y] . . . ..(12.49)

-*-.__-

pi+ I4

WlUFi1(12.46).(12.47), 12.48). (12.49) adUBXJT1l'd (12.41)

CH233 479

CT

= l$K,K,K,[H,Yl+ "II$~[l&Yl+ &K,[H,Yl+ KI[H4Yl+EH4Yl(12.50)

[H+14 [H+13 [H+]' [H+l

= ry&K,K,+yyy [H+l+K$JH+l*+y [H+13+[H+14J[~,~I (12.51)

[H+f

LLMW~ICT ~ITI (12.51) LLt% p- Tlfl (12.49) tdl.W81fl75~ (12.40)

a, = IG Kz % K4 . . . ..(12.52)

%s$K,+l$&K, [H+l+K&[H+l*+K, [H+?+[H+?

Mn+ 4-+ Y e

Myh-4 )+ . . . ..(12.53)

K. . . ..(12.54)

MY [M"+liY4-l

unufii [Y'-I = OL4~T dU (12.54)

.. . KMY

= LMY(n-4 )+] . . . ..(12.55)

[Mn+l@qCT

KMy =KMY OL4

= [&n-4 )+ I . . . ..(12.56)

[Mn+lCT

480 CH 233

PH 4

2.0 3.7x10-14

PH

7.0

04

4.8~10-~

3.0 2.5x10- I1 8.0 5.4x10-3

4.0 3.6~10-~ 9.0 5.2x10-2

5.0 3.5x1o-7 10.0 3.5x10-'

6.0 2.2x1o-5 11.0 8.5x10- ’

CH 233 481

[Cl+ ]&i&4xi

= 50.0x0.0100- 25.0x0.0100 +ti75.0

= 3.33x10-3

-log[CaZ+ ] = --log 3.33x10- 3

*-CaY e Ca2+ t y-

:. [CaZ+ ] = CT

[Cay’- ] = 50.0~0.01 -CT

100.0

= [CaY*-] 10

[Ca24~ ] CT =1.75x10

:. [CaZ ‘1’

cz [Cay*-] : 1.75~10’~

ICaZi 1 [ca2 + 1

-- 0.005LO :

1.75x10

[Ca*+] = 5.35x10-7

[W - ] = 4.55x10- 3- [Ca2’- ] z 4.ssx1o-3

C T = 9.1x10m4+[Ca*+] 2 9.1x10-4

[Cay’-] = 1.7sx10’”

[Ca2f] c;

4.5x10- 3

[Ca’+__ = 1.7sxlo-‘~

]x9.1x10-4

[d+] = 2.86~10-‘~

pea = 9.54

CH 233 483

CT = 50.05x0.010- 50.00x0.01

100.05

II~ 5x1o-6

[MY*: = SO.OOxO.01 = 5x1o-3

100

KilY = [MY’-]

Pf*+l cT

= 5x10- 3

(5x1o-8)(5x1o-6)

= 2x10L0

:. n'l “iY H% K, = 2~10~’

CH 233 487

lZWH, I’+ I = K, [Zn’+ ][NH,] . . . ..(12.64)

lZnW,):+ 1 = K,K, [Zn2+ ][NH,12 . . . ..(12.65)

IZn(NH,);+ ] = K,K2K, [Z,t+ ][NH,13 . . . ..(12.66)

[Zn(NH,);+] = K1K2K.3K4 [Zn2+][NHJ4 . . . ..(12.67)

CM = [Zn*+](l+K, [NH,]+ K,K,[NHJ2+K,K,K,[NH,]3+K,K,K,[NH,14) (‘2.68)

uzn2+ = 1l+K, [NH,]+K,K,[NH,]Z+K,K,K,[NII,]3+K,K,K,K, [NH,14

. . . ..(12.69)

Kkyz- = KZnyZ- .a4 .aZn2+ = 2-_ [Zny ]

[ZnZfx v-1 x dil (,270)

][Y4-] ‘T CM

= [znY*-] . . . ..(12.71)

CT.CM

488 CH 233

Fil cr, id pH = 9 WlW?l’Wl9i 12.7 i.%lbtil~¶J 5.2~10-~

:. K”ZnY’- = K

ZnY2- .a49

Zn *+

= 3.2x1O16x5.2x1O-2x8.Ox1O-6

aznz+ = [Zn2 + ]

CM

CM = 0.00100 F

:. I zn Z+ ] = O.OO1OOx8.Ox1O-6

= 8.0~10-~

PZll = 8.1

CM

&+I

PZn

2 50.0x0.00100-40.0x0.00100

90.0

= 1.11x1o-4

= cM.aznZ+ = (1.11x1O-4)(8.Ox1O-6)

= 8.9x10- I0

= 9.05

4) fW%hXMMl pZn &kllfk% 50.0 bl¶l.cH%J.“uB9 EDTA(h$%W~R)

5.00~10-~ F

CH 233 4 8 9

K" z- LOZnY = 1.33x10 = 5.00x10-~

CM ‘= 1.94x10-7

[Zn2+] = cEvl.azn2+ = (1.94x10-7 ) (8.ox1o-6)

- 12= 1.55x10

pzn = 11.81

CEDTA = ‘T = 60.0x0.00100-50.0x0.00100

110

= 9 .1x10-5

[ZnYZ - ] = 50.0x0.00100

110

= 4 .55x10-4

~~~obhh.W~fll~ 12.71 V& 488

K”zny=- =

101.33x10 = 4.55xlo-4

490 CH 233

2-H 2 III- w HIn + H’ . . . . (12.73 )

:: PblGl9 Ulb9l.4

Mh- + HY3;- I I I : - * -+ MY (12.74)

:: Pbbel4 UlbX-4

CH 233 393

494 CH 233

8lTI (12.76)[Zdr- J[H+ ]

--2+1[NIn21= 22

[Zn

l-438.l[Zn2 + ] = [ZnIn-][H+ ]

22(Hlnz - ]

=+:. [Zn ] = 1x10-Q

22x10 N

pzn = 11.3

InI?? 12

496 CH 233

IJMA 12

498 CH 233

CH 233 499

500 CH 233

13)e9~l'LbasLae9l~,al~~~~~~~~~ Zn(NH&+ bbaz Zn (NH&+ hu.qa=mmlGiiFh

Plnfll4WIU 10.0 ALI.Tlk!. llO9 0.00200 F Z~I(NO~)~ &J 40.0 aU.TTXJ. lItI 0.200w

F NH,

@loll Zn(NH,):+ = 7.85x10-’ M

z~(NH,):+ = 2.56~10--~ M

Cu(NH, )I + = 0.0895 F

ww, 1:’ = 0.246 F

Cu(NH,);+ = 0.123 F

502 CH 233

24) Nitrilotriacetic acid (NTA)

/

CH- COOH

H+N--\

CH,- COO-

504 CH 233

M2+ 4-

+Y F+ MY’- KMY = 1 .oox10’8

ll,ln --‘ H+ + Hhl- K, = 1.00x10-~*

t11n- *H + + I,,- K2 2 1.00x10-’

11M

2+ 2-+ In e Mln K M 111 = 1.60x10

CH 233 5 0 5