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. a. 8.64x10- b. 3.20x10 What is the value of K, for YF? 1.61x101 d. 7.57x1017 C. e. 1.79x10
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. a. 8.64x10- b. 3.20x10 What is the value of K, for YF? 1.61x101 d. 7.57x1017 C. e. 1.79x10
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 17. 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:um 1
O₂(8
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. ANS: A
8. ANS: E
9.
ANS: B
10.
ANS: D
11. 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 YF)?
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?
Agl
Kp = 8.5x1017
[Ni, (PO₂)₂]
PbI₂
Kip-9.8x10
a. TII < Pbl < Agl
b. PbI; <TII < Agl
c. Pbl < Agl< TII
d. Til Agl Pbl₂
e. [Ni, (PO₂) 1¹/
TII
Kg = 5.5x10
e. Agl<TII < Pbl;
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(NO₂)2
e. 0.10 M NaCl
b. 0.10 M Nalo,
d. A solution with pH-1
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.
c. 2.27x10¹ d. 1.04x10
e. 4.41x10-³
21. Given the following reactions and equilibrium constants:
d. 5
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)
a. 2.45x10¹ b. 4.97x10-19 c. 1.44x10+ d. 2.92x1026 e. 1.18x107
22. Given the unbalanced equation V₂O5 + W VO+WO,, when the overall reaction equation is balanced in
acidic solution, what will the coefficient of H₂O(/) be?
a. 2
b. 3
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%2F8b821f7b-d4a8-4fab-8a58-e070b6e0f303%2Fih2wasm_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 YF)?
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?
Agl
Kp = 8.5x1017
[Ni, (PO₂)₂]
PbI₂
Kip-9.8x10
a. TII < Pbl < Agl
b. PbI; <TII < Agl
c. Pbl < Agl< TII
d. Til Agl Pbl₂
e. [Ni, (PO₂) 1¹/
TII
Kg = 5.5x10
e. Agl<TII < Pbl;
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(NO₂)2
e. 0.10 M NaCl
b. 0.10 M Nalo,
d. A solution with pH-1
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.
c. 2.27x10¹ d. 1.04x10
e. 4.41x10-³
21. Given the following reactions and equilibrium constants:
d. 5
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)
a. 2.45x10¹ b. 4.97x10-19 c. 1.44x10+ d. 2.92x1026 e. 1.18x107
22. Given the unbalanced equation V₂O5 + W VO+WO,, when the overall reaction equation is balanced in
acidic solution, what will the coefficient of H₂O(/) be?
a. 2
b. 3
c. 4
e. There is no H₂O in the balanced equation
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