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3 1

MgO2OMg2 2 +

): &% ! 2 ) ( )( )MgMMgm

Mgn = (&

( ) molg324MgM /,= ): *( ) mol1028Mgn 2= .,

: % .- 3* & 23 !

-! mol104x0x21028 22 == ..,

maxmax

: ;3 : 9 ( 867% ( ) ( ) mol104OnOn 22i2f = .

: 9 ( 8%67 >7 >% *( . : 9 ( 8%67 : 9 ( 8%67 (

( ) mol1014On 22r = ., ): >7 %- ! ) mol1028Mgn 2f = .,

4 : >? &% %- !

( ) ( )( ) ( ) ( ) ( )MgOMMgOnMgOmMgOMMgOm

MgOn ff .==

- @;2< :( ) g33MgOm ,= 5 ) &B7 : 9 ( 8%67 ) ( ) ( ) ( ) m2r2r

m

2r2r VOnOVV

OVOn .==

) *Vm E G )H ) B7- . @;23- 3 - %- I >?

*( n(Na2O)=2x( x=0,07mol3- n(Na2O)=0,14mol

4 WIX83- X &% : IB -

mol050x0x4200 ,,maxmax

== H( ]Z > 9 ( 8%67 (

mol09500250120 ,,, = mol050x: \ 3H 3- WIX8 ( ,

max= : %- I H( (

): - I >? % ) mol10x2ONan 2f ,max B ==( ) ( )( ) ( ) ( ) ( )ONaMONanONamONaM

ONamONan 22f2

2

22f .==

- @;2< :( ) molg62ONaM 2 ) =/ ) g26ONam 2 ,= - [ 54,1g 6 I882, 67%6 : 9 ( 8

)H . 4,1%_ Ig :( ) ( )( ) mol180NaMNam

Nan ,==

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B7& )H . 9 ( 8%67 882V : ( =,

( ) ( ) mol120V

OVOn

m

22 ,==

&%_ a [; H( ;- H( 7* 8W _ : > [;(

( )050

4

200

4

Nan i ,, ==

( )120

1

On 2i ,=

b7* )H ( )

04504

Nan i =,( )

1201

On 2i ,=

c&a 3- WIX8 [! *( [! . 5

: ( 1OH2OH2 222 + 2 6 ) b ;( ) ( )xfHn 2 ) = ) ( )xgOn 2 =

: &% H( ;- 6 9 ( -.6 9 ( 867%

( ) mol166424

100Hn 2i ) ==, ) mol333824

200On 2i ,==

) \ 9 ) x21664Hn 2 = ) , ) x3338On 2 = , xmax=2,08mol: &%_ b ;( 3- WIX8

: &B7 ! ;3( 2

( ) ( ) 0HV0Hn 2f2r == ( ) ( ) ( ) ( ) m2r2r

m

2r2r VOnOVV

OVOn - ==. @;2< :

( ) 150OV 2r = 6

1

Ag2CuAg2Cu 2 ++ ++ xb ;( ! *-g 3- 1 2

x g-* i 3- 7 .- ! . jkx] 3- :

: &% a H( ;-

( ) mmol2563

1270Cun i ==

,

,

( ) mmol31020150VCAgn 3i === + .,. 6 E )H b( ) x2Cun ) = ) x23Agn =+

aj 6 b ;( ;6 - 8 ] l( 2 2 : i . +Ag

WIX83- :xmax=1,5mmol : &I H( &%_ >! : 3 2

nf(Cu)=0,5mmol nf(Ag

+)=0 nf(Cu

2+)=1,5mmol nf(Ag)=3mmol

4 2 - r i :

( ) ( )( ) ( ) ( ) ( )AgMAgnAgmAgMAgm

Agn ff .==

m(Ag)=0,324g

]: H( +Cu2> 8 ] ( ) lmol0750V

CunCu

22 /,==

++