1. Which of the following will prevent the dissociation of AgCl, when also present in the solution? Hint: Recall and apply important equilibrium principles. A. KNO, B. NANO, C. NaCI D. NACH,COO

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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Part I. Choose the letter that corresponds to the best answer.
1. Which of the following will 'prevent the dissociation of
AgCla when also present in the solution? Hint: Recall and
apply important equilibrium principles.
A. KNO,
B. NANO;
C. NaCl
D. NaCH;COO
2. Which of the following mixtures has the highest pH?
A. 0.200 M CH;COOH and 0.100 M NaCH:COO
В. 0.100 М СНСООН and 0.200 M NaCHсо
c. 0.300 M CH,COOH and 0.200 M NACH;COO
D. 0.200 M CH:COOH and 0.300 M NaCH:COO
3. Which of the following mixtures has the same pH as the
mixture that is [NH;] = 0.250 M and [NH,*] = 0.100 M?
A. 0.100 M NH; and 0.100 M NH.CI
B. 0.100 M NH, and 0.080 M NH,CI
C. 0.100 M NH3 and 0.060 M NH.CI
D. 0.100 M NH3 and 0.040 M NH.Cı
4. Which solid is the most soluble?
А. AIPO, (К., -9.84 х 103)
B. CaSO, (Kp = 4.93 x 105)
C. AgI (K, = 8.52 x 101)
D. PbS (K, = 3 x 107)
5. The solubility of which pair can be qualitatively compared
to cach other using only their K.p?
1. Hg:Cl
П. РЬС
III. AgCl
A. I and II
В. Таnd III
C. II and III
D. None of the above
Transcribed Image Text:Part I. Choose the letter that corresponds to the best answer. 1. Which of the following will 'prevent the dissociation of AgCla when also present in the solution? Hint: Recall and apply important equilibrium principles. A. KNO, B. NANO; C. NaCl D. NaCH;COO 2. Which of the following mixtures has the highest pH? A. 0.200 M CH;COOH and 0.100 M NaCH:COO В. 0.100 М СНСООН and 0.200 M NaCHсо c. 0.300 M CH,COOH and 0.200 M NACH;COO D. 0.200 M CH:COOH and 0.300 M NaCH:COO 3. Which of the following mixtures has the same pH as the mixture that is [NH;] = 0.250 M and [NH,*] = 0.100 M? A. 0.100 M NH; and 0.100 M NH.CI B. 0.100 M NH, and 0.080 M NH,CI C. 0.100 M NH3 and 0.060 M NH.CI D. 0.100 M NH3 and 0.040 M NH.Cı 4. Which solid is the most soluble? А. AIPO, (К., -9.84 х 103) B. CaSO, (Kp = 4.93 x 105) C. AgI (K, = 8.52 x 101) D. PbS (K, = 3 x 107) 5. The solubility of which pair can be qualitatively compared to cach other using only their K.p? 1. Hg:Cl П. РЬС III. AgCl A. I and II В. Таnd III C. II and III D. None of the above
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