13
1. 450 50 . r = 1,05 
. .
2. 10-3 
. ?
3. Pb(NO3)2 NaF NaCl?
4. 1 50 , 0,81. .
5. , 2×10-3 NH4OH 10%.
6. : AlCl3; KCl; K2CO3; NH4NO3 ? - AlCl3.
2
14
1. (%) HNO3 , 0,200 3 32% - (r = 1,198 ) 1 3 ?
2. () , 21,6 (6126) 100 ? = 1,86.
3. () , 11.
4. : Ba(OH)2; NH4OH; Al(OH)3; LiOH. ?
5. :
) [Mz+]×[Xz-] < ;
) [Mz+]×[Xz-] > ;
) [Mz+]×[Xz-] =.
6. : FeSO4; (NH4)2S; MgBr2; Bi2(SO4)3? - FeSO4.
2
15
1. SO3 , 400 15% - H2SO4 (r = 1,100 )?
2. , 5,2?
3. H2SO4 , CaCl2 SrCl2. : SrSO4 CaSO4? ?
4. , 2×10-3 NH4OH 10%.
5. (<, > 7) : K3PO4; ZnCl2; K2SO3; NiCl2; FeCl3? - NiCl2.
6. , - : + + - 2:
) Br- K+;
) SO42- Mg2+;
) CN- K+;
) NO3- Ba2+?
2
16
|
|
|
1. 30% - ( ) NaCl 300 , 10% - ?
2. 55,16 (122211) 316,3 . . = 1,86, = 0,52.
3. , 1 0,1 NaOH. .
4. C37 = 1,5×10-5. 0,005 .
5. 500 18 0,0166 Ag2CrO4. ?
6. , : ZnBr2; K2S; Fe2(SO4)3; MgSO4; Na2SO4; Na3PO4. - ZnBr2.
2
