16. What is the K, expression for the dissolution of nickel (II) phosphate in water? [N][PO] a. [N][PO] INI, (PO)] b. [N [P (Ni, (PO) Pbl K=9.8x10 17. Solid ytrium fluoride (YF) is added solution is found to be 4.23 x10 M. a. 8.64x10" b. 3.20x10 18. Which of the following correctly ranks the salts in terms of increasing molar solubility? a. TIIPhl, Agl b. PbITII Agl d. [N'T [PO]' to pure water until the solution becomes saturated. The [Y] in the saturated What is the value of K for YF? c. 1.61x100 d. 7.57x1017 e. 1.79x10 Agt Kip-8.5x107 * [Ni,(PO.);]/ c. Pbl < Agt TU d. TII Agl Pbl₂ c. Pure water d. A solution with pH = 1 TII K-5.5x10 e. Agl< Til Pbl 19. In which of the following solutions will cadmium iodate (Cd(10)), K, 2.5x10") be the least soluble? e. 0.10 M NaCl a. 0.10 M Cd(NO₂)2 b. 0.10 M Nalo) 20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO. (K-1.08x100). If a solution has a [SO] of 2.10x10 M. what [Baj, in M, will be required to initiate precipitation? a. 2.10x10 b. 5.14x10 c. 2.27x10 d. 1.04x10 e. 4.41x10 21. Given the following reactions and equilibrium constants: Kap-8.46-10-12 K₁=5.88-108 Ag,CO, (s) 2Ag (ag) + CO (aq) [Ag(NH₂)₂ (aq) Ag (og) + 2NH, (aq) Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex: Ag,CO,(s)+ 4NH,(aq) = 2[Ag(NH,) | (@g)+CO) (aq) a. 2.45x10¹ b. 4.97x1019 c. 1.44x10 d. 2.92x10- e. 1.18x107 22. Given the unbalanced equation V₂0, +W VO+WO₂, when the overall reaction equation is balanced in acidic solution, what will the coefficient of H₂O(/) be? b. 3 c. 4 d. 5 e. There is no H₂O in the balanced equation
16. What is the K, expression for the dissolution of nickel (II) phosphate in water? [N][PO] a. [N][PO] INI, (PO)] b. [N [P (Ni, (PO) Pbl K=9.8x10 17. Solid ytrium fluoride (YF) is added solution is found to be 4.23 x10 M. a. 8.64x10" b. 3.20x10 18. Which of the following correctly ranks the salts in terms of increasing molar solubility? a. TIIPhl, Agl b. PbITII Agl d. [N'T [PO]' to pure water until the solution becomes saturated. The [Y] in the saturated What is the value of K for YF? c. 1.61x100 d. 7.57x1017 e. 1.79x10 Agt Kip-8.5x107 * [Ni,(PO.);]/ c. Pbl < Agt TU d. TII Agl Pbl₂ c. Pure water d. A solution with pH = 1 TII K-5.5x10 e. Agl< Til Pbl 19. In which of the following solutions will cadmium iodate (Cd(10)), K, 2.5x10") be the least soluble? e. 0.10 M NaCl a. 0.10 M Cd(NO₂)2 b. 0.10 M Nalo) 20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO. (K-1.08x100). If a solution has a [SO] of 2.10x10 M. what [Baj, in M, will be required to initiate precipitation? a. 2.10x10 b. 5.14x10 c. 2.27x10 d. 1.04x10 e. 4.41x10 21. Given the following reactions and equilibrium constants: Kap-8.46-10-12 K₁=5.88-108 Ag,CO, (s) 2Ag (ag) + CO (aq) [Ag(NH₂)₂ (aq) Ag (og) + 2NH, (aq) Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex: Ag,CO,(s)+ 4NH,(aq) = 2[Ag(NH,) | (@g)+CO) (aq) a. 2.45x10¹ b. 4.97x1019 c. 1.44x10 d. 2.92x10- e. 1.18x107 22. Given the unbalanced equation V₂0, +W VO+WO₂, when the overall reaction equation is balanced in acidic solution, what will the coefficient of H₂O(/) be? b. 3 c. 4 d. 5 e. There is no H₂O in the balanced equation
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
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Question 19. Practice exam. Will post the answer, just need help with the concept so please explain. Thank you!
![16. What is the K, expression for the dissolution of nickel (II) phosphate in water?
a. [N][PO]
c. [N][PO]
[Ni, (PO₂)₂]
b. [NiT [PO
d. [NiT [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 YF?
a. 8.64x10
b.
3.20x10
c. 1.61x10
d. 7.57x10-17
e. 1.79x10-11
18. Which of the following correctly ranks the salts in terms of increasing molar solubility?
[Ni,(PO4)₂]
Pbl
K=9.8x10
a. TII<Pbl < Agl
b. Pbl <TII < Agl
Agt
Kip-8.5x10-17
a. 2.45x10³
c. Pbl: <Agl<TII
d. TII Agl< Pbl₂
b. 4.97x1019
e. (Ni,(PO₂):1/
19. In which of the following solutions will cadmium iodate (Cd(103)2, Kp = 2.5x105) be the least soluble?
e. 0.10 M NaCl
a. 0.10 M Cd(NO₂)2
b. 0.10 M NalO;
c. Pure water
d. A solution with pH = 1
TII
Kp = 5.5x10
20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO
(K=1.08x100). If a solution has a [SO] of 2.10x10 M, what [Ba], in M, will be required to initiate
precipitation?
a. 2.10x10
b. 5.14x10
d. 1.04x10-5
e. 4.41x10³
c. 2.27x10¹
21. Given the following reactions and equilibrium constants:
e. Agl<TII < Pbl₂
Ag, CO, (s) = 2Ag (ag) + CO (aq)
[Ag(NH₂),] (aq) = Ag (aq) + 2NH₂(aq)
Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex:
Ag,CO,(s)+4NH, (aq) = 2[Ag(NH;) ] (@g)+CO} (aq)
c. 1.44x10+
d. 2.92x10-26 e. 1.18x107
22. Given the unbalanced equation V,05 + W VO+WO₂,
acidic solution, what will the coefficient of H₂O(l) be?
a. 2
b. 3
Kp -8.46-10-12
K₁=5.88-10-8
when the overall reaction equation is balanced in
d. S
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%2F2d588895-f508-41ff-9c33-76097cd3b0d9%2F2aups2q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:16. What is the K, expression for the dissolution of nickel (II) phosphate in water?
a. [N][PO]
c. [N][PO]
[Ni, (PO₂)₂]
b. [NiT [PO
d. [NiT [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 YF?
a. 8.64x10
b.
3.20x10
c. 1.61x10
d. 7.57x10-17
e. 1.79x10-11
18. Which of the following correctly ranks the salts in terms of increasing molar solubility?
[Ni,(PO4)₂]
Pbl
K=9.8x10
a. TII<Pbl < Agl
b. Pbl <TII < Agl
Agt
Kip-8.5x10-17
a. 2.45x10³
c. Pbl: <Agl<TII
d. TII Agl< Pbl₂
b. 4.97x1019
e. (Ni,(PO₂):1/
19. In which of the following solutions will cadmium iodate (Cd(103)2, Kp = 2.5x105) be the least soluble?
e. 0.10 M NaCl
a. 0.10 M Cd(NO₂)2
b. 0.10 M NalO;
c. Pure water
d. A solution with pH = 1
TII
Kp = 5.5x10
20. Solutions can be analyzed for sulfate content using gravimetric analysis by precipitation of sulfate ions as BaSO
(K=1.08x100). If a solution has a [SO] of 2.10x10 M, what [Ba], in M, will be required to initiate
precipitation?
a. 2.10x10
b. 5.14x10
d. 1.04x10-5
e. 4.41x10³
c. 2.27x10¹
21. Given the following reactions and equilibrium constants:
e. Agl<TII < Pbl₂
Ag, CO, (s) = 2Ag (ag) + CO (aq)
[Ag(NH₂),] (aq) = Ag (aq) + 2NH₂(aq)
Calculate the value of Ke for the reaction of silver carbonate with ammonia to form the silver ammine complex:
Ag,CO,(s)+4NH, (aq) = 2[Ag(NH;) ] (@g)+CO} (aq)
c. 1.44x10+
d. 2.92x10-26 e. 1.18x107
22. Given the unbalanced equation V,05 + W VO+WO₂,
acidic solution, what will the coefficient of H₂O(l) be?
a. 2
b. 3
Kp -8.46-10-12
K₁=5.88-10-8
when the overall reaction equation is balanced in
d. S
e. There is no H₂O in the balanced equation
Transcribed Image Text:1.
ANS: E
2.
ANS: E
3. ANS: B
4.
ANS: A
5.
ANS: D
ANS: B
ANS: A
ANS: E
6.
7.
8.
9.
ANS: B
10.
ANS: D
11. ANS: B
12. ANS: E
13.
ANS: A
ANS: A
ANS: A
ANS: D
ANS: A
18.
ANS: E
19.
ANS: B
20. ANS: B
14.
15.
16.
17.
21. ANS: A
22. ANS: C
23. ANS: C
24. ANS: C
25. ANS: C
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