16. What is the Ke expression for the dissolution of nickel (II) phosphate in water? [N][PO] a [NI"][PO] [Ni, (PO);] b. [N][PO] [Ni, (PO₂).] C. d. [N][PO]' [N₁,(PO₂):1/
16. What is the Ke expression for the dissolution of nickel (II) phosphate in water? [N][PO] a [NI"][PO] [Ni, (PO);] b. [N][PO] [Ni, (PO₂).] C. d. [N][PO]' [N₁,(PO₂):1/
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 52E: Hydrogen sulfide is bubbled into a solution that is 0.10 M in both Pb2+ and Fe2+ and 0.30 M in HCl....
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Question 18. THIS IS NOT FOR A GRADE!
**It's a practice exam with the answer posted with it!**
I just need help with the concept please explain
Transcribed Image Text:am u
O₂(
13
Pre
en
Answer Section
MULTIPLE CHOICE
1. ANS: E
2.
ANS: E
3.
ANS: B
4.
ANS: A
5.
ANS: D
6.
ANS: B
7.
8.
9.
10.
11.
ANS: A
ANS: E
ANS: B
ANS: D
ANS: B
12. ANS: E
13. ANS: A
14.
ANS: A
15. ANS: A
16. ANS: D
17. ANS: A
18. ANS: E
19. ANS: B
20. ANS: B
21. ANS: A
22. ANS: C
23. ANS: C
24. ANS: C
25. ANS: C
![16. What is the Ke expression for the dissolution of nickel (II) phosphate in water?
c. [Ni][PO]
a. [Ni][PO]
[Ni, (PO,);]
b. [NiT [PO
d. [Ni] [PO]
17. Solid yttrium fluoride (YF)) is added to pure water until the solution becomes saturated. The [Y] in the saturated
solution is found to be 4.23 x10 M. What is the value of K, for YE)?
a. 8.64x10-21
b. 3.20x107
c. 1.61x10-10
d. 7.57x1017 e. 1.79x10
18. Which of the following correctly ranks the salts in terms of increasing molar solubility?
PbI₂
K-9.8x10
Agl
Ksp = 8.5x107
[Ni, (PO₂)₂]
a. TII < Pbl < Agl
b. PbI; <TII < Agl
c. Pbl < Agl< TII
d. Til Agl Pbl₂
e. [Ni, (PO₂),]¹/
a. 2.45x10³
19. In which of the following solutions will cadmium iodate (Cd(10)2, Kp - 2.5x105) be the least soluble?
c. Pure water
a. 0.10 M Cd(NO3)2
e. 0.10 M NaCl
b. 0.10 M Nalo,
d. A solution with pH-1
TII
Kg = 5.5x10
20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO.
(Kap=1.08x10¹0). If a solution has a [SO] of 2.10x10 M, what (Ba , in M, will be required to initiate
precipitation?
a. 2.10x101 b. 5.14x107 c. 2.27x10¹ d. 1.04x10
e. 4.41x10
21. Given the following reactions and equilibrium constants:
b. 4.97x10-19 c. 1.44x10+
e. Agl<TII <PbI;
Ag,CO₂ (s)-2Ag (aq) + CO (ag)
[Ag(NH₂),](aq) Ag (ag) 2NII, (ag)
Kp 8.46-10-12
K₁=5.88-108
Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex:
Ag,CO;( )+ (NH;(aq) = 2[Ag(NH)] (aq) + CO3 (aq)
d. 2.92x1026
e. 1.18x107
d. 5
22. Given the unbalanced equation V₂O3 + W VO+WO,, when the overall reaction equation is balanced in
acidic solution, what will the coefficient of H₂O(/) be?
b. 3
a. 2
c. 4
e. There is no H₂O in the balanced equation](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43965b80-42e8-41df-9b51-2c2200725cfe%2Fe7f7d922-73fa-4507-ae36-f33e78b751b0%2F5zmni3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:16. What is the Ke expression for the dissolution of nickel (II) phosphate in water?
c. [Ni][PO]
a. [Ni][PO]
[Ni, (PO,);]
b. [NiT [PO
d. [Ni] [PO]
17. Solid yttrium fluoride (YF)) is added to pure water until the solution becomes saturated. The [Y] in the saturated
solution is found to be 4.23 x10 M. What is the value of K, for YE)?
a. 8.64x10-21
b. 3.20x107
c. 1.61x10-10
d. 7.57x1017 e. 1.79x10
18. Which of the following correctly ranks the salts in terms of increasing molar solubility?
PbI₂
K-9.8x10
Agl
Ksp = 8.5x107
[Ni, (PO₂)₂]
a. TII < Pbl < Agl
b. PbI; <TII < Agl
c. Pbl < Agl< TII
d. Til Agl Pbl₂
e. [Ni, (PO₂),]¹/
a. 2.45x10³
19. In which of the following solutions will cadmium iodate (Cd(10)2, Kp - 2.5x105) be the least soluble?
c. Pure water
a. 0.10 M Cd(NO3)2
e. 0.10 M NaCl
b. 0.10 M Nalo,
d. A solution with pH-1
TII
Kg = 5.5x10
20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO.
(Kap=1.08x10¹0). If a solution has a [SO] of 2.10x10 M, what (Ba , in M, will be required to initiate
precipitation?
a. 2.10x101 b. 5.14x107 c. 2.27x10¹ d. 1.04x10
e. 4.41x10
21. Given the following reactions and equilibrium constants:
b. 4.97x10-19 c. 1.44x10+
e. Agl<TII <PbI;
Ag,CO₂ (s)-2Ag (aq) + CO (ag)
[Ag(NH₂),](aq) Ag (ag) 2NII, (ag)
Kp 8.46-10-12
K₁=5.88-108
Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex:
Ag,CO;( )+ (NH;(aq) = 2[Ag(NH)] (aq) + CO3 (aq)
d. 2.92x1026
e. 1.18x107
d. 5
22. Given the unbalanced equation V₂O3 + W VO+WO,, when the overall reaction equation is balanced in
acidic solution, what will the coefficient of H₂O(/) be?
b. 3
a. 2
c. 4
e. There is no H₂O in the balanced equation
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