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1.The expression
for the solubility product constant of Hg2SO4 is…….
a. Ksp = [Hg2+] [SO42-]2
b. Ksp = [Hg+]2
[SO42-]2
c. Ksp = [Hg+]2
[SO42-]
d. Ksp = [Hg2+]2
[SO42-]
e. Ksp = [2Hg+] [SO42-]
2.
The equilibrium reaction for hardly
dissolve salt Ag3PO4 in water is….
a. Ag3PO4(s) 3Ag+ (aq) +PO43-
(aq)
b. Ag3PO4(s) Ag+ (aq) +PO43-
(aq)
c. Ag3PO4(s) 3Ag+ (aq) +3PO4-
(aq)
d. Ag3PO4(s) 3Ag+ (aq) +PO4-
(aq)
e. Ag3PO4(s) Ag+ (aq)+3PO43-
(aq)
3. In the following
substances , that has higher solubility in mol/L is…
a. BaCrO4 (Ksp = 1,2 x
10-10)
b. BaSO4 (Ksp = 1,1 x
10-10)
c. AgCl (Ksp = 1,8 x 10-10)
d. Ag2CrO4
(Ksp= 1,1 x 10-12)
e. CaF2 (Ksp = 3,4 x
10 -11)
4. In 100 ml water
can dissolve 1,16 mg Mg(OH)2
(Mr= 58). Ksp of Mg(OH)2
is....
a. 16,0 x 10-12 d. 4,0 x 10-10
b. 3,2 x 10-11 e. 8,0 x 10-8
c. 8,0 x 10-11
5. Known Ksp of
BaSO4 is 1,1 x 10-10 . The solubility of BaSO4
is…..
a. 1,02 x 10-2 mol/L
b. 1,03 x 10-3 mol/L
c. 4,8 x 10 -4 mol/L
d. 1,05 x 10-5 mol/L
e. 3,32 x 10 -5 mol/L
6. If Ksp of Mg(OH)2 is 4
x10-12 , the solubility of Mg(OH)2 in 500 ml solution is………(Mr Mg(OH)2 =
58)
a. 58 x 10-9 gram
b. 116 x 10-9 gram
c. 29 x 10-4 gram
d. 58 x 10-4 gram
e. 116 x 10-4 gram
7. M(OH)3 solution has pH = 9 . The Ksp value of this substance is
……
a. 3,3 x 10-21 d. 3,0 x 10-36
b. 3,0 x 10-20
e. 1,35 x 10-37
c. 1,1 x 10 -10
8 .If Ksp of BaSO4 = 1,1 x 10-10
, the solubility of BaSO4 in Na2SO4
solution 0,02 M is ..….
a. 5 x 10-8 mol/L
b. 5,5 x10-8 mol/L
c. 5x 10-9mol/L
d. 5,5 x 10-9mol/L
e. 5,5 x 10-7 mol/L
9. Ksp of AgCl is
1,6 x 10-10 . The smallest solubility of AgCl is in…..
a. NaCl 0,1 M
b. HCl 0,01 M
c. AgNO3 0,03 M
d. NH4Cl 0,02 M
e. pure water
10. The solubility
of PbI2 (Ksp=1,6 x 10-8) in Pb(NO3)2 solution 0,1 M
is….
a. 2 x 10-3 M d. 4 x 10-4 M
b. 4 x 10-3 M e. 8 x 10-4 M
c. 2 x 10-4 M
11. If 100 ml NaCl
0,02 M is mixed with 200 ml Pb(NO3)2 0,03 M (Ksp PbCl2 = 1x 108) it will happen…..
a. there is no precipitation
b. there is precipitate of NaCl
c. saturated solution
d.there is precipitate of PbCl2
e. there is precipitate of NaNO3
12. Known Ksp of
Mg(OH)2 = 4 x 10-12 . If pH of MgCl2 solution 0,04 M is
increased, it will be formed precipitation in pH…..
a. 8 d. 11
b. 9 e. 12
c.10
13. In to CaCl2
solution 0,03 M, NaOH solution is added until precipitation is formed. If pH is
12 . Ksp of Ca(OH)2 is…
a. 3 x 10-3 d. 9x10-5
b. 3 x 10-4 e. 3x10-6
c. 9x10-3
14.The solubility
product constant (Ksp) of Mg(OH)2
= 2 x 10-11 . If pH of MgCl2 0,2 M solution is
increased with adding NaOH solid,
precipitation will be formed in pH…
a. 8 d. 11
b. 9 e. 12
c. 10
15.If Ksp of
Be(OH)2 is 4 x 10-18
,the solubility of Be(OH)2 in
1 liter solution is..
a. 4 x 10-9 d.
1x 10-6
b. 4 x10-6 e.
2 x10-9
c. 4 x 10-5
16. The value
of Ksp and Q can be used to predict the
formation of precipitation. Precipitation will be formed if …
a. Ksp is too big d. Q > Ksp
b. Ksp > Q e. Q = Ksp
c. Q < Ksp
17. The following
salt of silver that is easiest to dissolve is…
a. AgCl (Ksp = 1 x 10-10)
b. AgBr (Ksp = 5 x 10-13)
c. Ag2SO4
(Ksp = 5 x 10-13)
d. AgI (Ksp = 1 x 10-16)
e. Ag2CrO4 (Ksp
= 4 x 10-18)
18. The solubility of AgCl (Ksp =
1 x 10-10) in KCl 0,01 M solution is…
a. 1 x10-2 d. 1 x10-6
b. 1 x10-3 e. 1x 10-8
c. 1 x10-4
19. A saturated solution of X(OH)2
has pH value 9 . The Ksp of X(OH)2 is…
a. 1 x10-10 d. 5 x10-16
b. 5 x10-11 e. 1 x10-17
c. 1 x10-15
20. In a solution
there are Ca2+, Sr2+, Ba2+ and Pb2+
ions with same concentration. If the solution is dropped by Na2SO4
, the first compound that will be precipitated is…
a. CaSO4 (Ksp = 2,4 x
10-6)
b. PbSO4 (Ksp = 1,7 x
10-8)
c. SrSO4 (Ksp = 2,5 x
10-7)
d. it precipitates together
e. BaSO4 (Ksp = 1,1 x
10-10)
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