(Ksp).
:
+ +
.
, , :
, , :
Ksp = [+][].
m n, n + A m :
m n m n + + n A m
:
Ksp = [ n +] m [A m ] n.
,
, . . , , .
: , -, , ..
- (S), . . m n () . n+ mx, m nx.
Ksp = [ n +] m [A m ] n = (mx) m (nx) n = mmnnxm+n
.
1. 1 , Ksp = 6,1105?
:
:
CaS4 2+ + .
.
. 2+ . :
S,
.
CaS4
2. Ag3PO4 200 0,0065 /. .
. Ag3PO4 S =6,5 10-3/418,58=1,610-5 /, 418,58 / AgPO4.
1 Ag3PO4 3 Ag+ 1 PO4-3, Ag+ , .. [PO4-3] = 1,610-5 /, [Ag+] =31,610-5 /. Ag3PO4
|
|
Ksp =[Ag+] [PO4-3]=(4,810-5)31,610-5=1,7710-18.
3. , B2+ Pb2+ 32- Ksp( O3)= 7 10-9, Ksp( PbO3)= 1,510-13.
.
[B2+]= [Pb2+]= =
, , [B2+] [Pb2+] 46700 . 46700, O3, , [B2+]/[Pb2+] 46700. .
193. (Ksp), (/ /), V , :
Ksp | , | V, | ||||
/ | / | |||||
193 | AgI | 8,310-17 | ? | ? | - | - |
193 | Ag3AsO4 | 1,010-22 | - | - | 6,410-3 | ? |
193 | Ag2CrO4 | ? | - | - | 0,025 | |
193 | Pb3(PO4)2 | ? | - | - | 1,210-6 | |
193 | Ag3PO4 | 1,810-18 | - | - | 0,050 | ? |
193 | Ag2CO3 | 6,510-12 | ? | ? | - | - |
193 | PbSO4 | ? | - | - | 0,132 | |
193 | CaCO3 | 4,810-9 | - | - | - | - |
193 | PbI2 | ? | - | - | 5,8 |
194. (Ksp) :
Ksp | Ksp | ||||
194 | PbI2 | 8,710-9 | 194 | Ag2S | 5,710-51 |
194 | Ca3(PO4)2 | 1,010-25 | 194 | PbSO4 | 2,210-8 |
195. (Ksp) V:
Ksp | V, | () | |||
195 | PbSO4 | ? | Pb2+ | 0,186 | |
195 | Ag2CO3 | ? | 0,05 | 32- | 6,310-6 |
195 | PbF2 | 3,210-8 | 0,4 | Pb2+ | ? |
195 | AgIO3 | ? | Ag+ | 0,176 | |
195 | PbI2 | ? | 0,1 | Pb2+ | 0,0268 |
196. Ag2Cr2O7 5 ,5 Na2Cr2O7. Ag+ , (Ksp) Ag2Cr2O7=2,010-7 αNa2Cr2O7=75%.
197. Zn+2 Cd+2 Na2CO3 ?
198. Cu+2 0,01 /. Mg+2 ?
199. KBr, AgNO3 0,003 / ? (Ksp) AgBr=6,310-13 .
200. (Ksp)uCO3 250 2,3610-10. Cu+2 uCO3, 2CO3 0,001 /, 2CO3 95%.
201. (Ksp)MgS 250 2,010-15. MgS Mg(NO3)2 0,004 / Na2S 0,0006 /? .
202. C+2 =13.
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203. CaSO4, , 0,02 / CaCl2 , 0,2 / H2SO4?
204. PbBr22 250 1,310-2 /. .
205. Fe+2 =11 =12.
206. , Mg+2 Mg(OH)2 2,010-3 /.
207. Ag3PO4 1,310-20. Ag3PO4 (/, /). Ag3PO4 0,003 ?
208. CaSO4 9,110-6. 300 ?
209. CaCrO4(Ksp =7,110-4) 0,1 CaCl2 2CrO4?
210. , /, CO3 0,25 NaCl . ( )? NaCl 0,2, B2+ 32- 0,24.
211. 210 Ag2CrO4 (Ksp =1,110-12) 0,05 MgSO4.