11. A weak acid (Ka = 2.5 x 104) is neutralized with a weak base (Kb = 5.0 x 108). What is the pH of the resulting solution? a. Acidic b. Basic 12. A weak base and a weak acid are titrated together to the equivalence point. What is true for a c. Neutral d. pH = 3.70 e. pH = 7.00 neutral solution? a. Ka > Kb b. Kb > Ka c. Ka = Kb 13. Which salt produces an acidic solution? a. NaCIO (aq) b. KIO3(aq) C. NH4CIO4(aq) d. NH4C2H3O2(aq) e. H3N 14. 14. For cyanide ion (CN-1) hydrolysis the Kb = a. [OH-¹][HCN]/[CN-¹] b. [CN-¹]/[OH-¹][HCN] c. [OH-¹][HCN-¹]/[CN] d. [C-4][N+3]/[CN 15. Which compound is a strong acid? a. HCIO (aq) b. HCHO2(aq) c. HCIO4(aq) d. HC2H3O2(aq) e. NaOH 16. If sodium formate was dissolved in distilled water, which of the following could be added to make a functional buffer? d. citric acid 1. potassium formate b. formic acid c. formic hydroxide 7. A concentrated weak acid solution is best described as which of the following having a high pH the concentration of undissociated acid particles is low compared that of the hydronium ic the hydronium ion concentration is large compared to that of the undissociated acid parti having a low pH concentration of undissociated acid particles is high and the quantity of hydronium ions
11. A weak acid (Ka = 2.5 x 104) is neutralized with a weak base (Kb = 5.0 x 108). What is the pH of the resulting solution? a. Acidic b. Basic 12. A weak base and a weak acid are titrated together to the equivalence point. What is true for a c. Neutral d. pH = 3.70 e. pH = 7.00 neutral solution? a. Ka > Kb b. Kb > Ka c. Ka = Kb 13. Which salt produces an acidic solution? a. NaCIO (aq) b. KIO3(aq) C. NH4CIO4(aq) d. NH4C2H3O2(aq) e. H3N 14. 14. For cyanide ion (CN-1) hydrolysis the Kb = a. [OH-¹][HCN]/[CN-¹] b. [CN-¹]/[OH-¹][HCN] c. [OH-¹][HCN-¹]/[CN] d. [C-4][N+3]/[CN 15. Which compound is a strong acid? a. HCIO (aq) b. HCHO2(aq) c. HCIO4(aq) d. HC2H3O2(aq) e. NaOH 16. If sodium formate was dissolved in distilled water, which of the following could be added to make a functional buffer? d. citric acid 1. potassium formate b. formic acid c. formic hydroxide 7. A concentrated weak acid solution is best described as which of the following having a high pH the concentration of undissociated acid particles is low compared that of the hydronium ic the hydronium ion concentration is large compared to that of the undissociated acid parti having a low pH concentration of undissociated acid particles is high and the quantity of hydronium ions
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 32QRT: The titration curves for two acids with the same base are shown on this graph. (a) Which is the...
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![11. A weak acid (Ka = 2.5 x 104) is neutralized with a weak base (Kb = 5.0 x 10-8). What is the pH of
the resulting solution?
a. Acidic
b. Basic
12. A weak base and a weak acid are titrated together to the equivalence point. What is true for a
c. Neutral d. pH = 3.70
e. pH = 7.00
neutral solution?
a. Ka > Kb b. Kb > Ka
c. Ka = Kb
13. Which salt produces an acidic solution?
a. NaCIO (aq)
b. KIO3(aq)
C. NH4CIO4(aq)
d. NH4C2H3O2(aq)
e. H3N
14. 14. For cyanide ion (CN-1) hydrolysis the Kb =
a. [OH-¹][HCN]/[CN-¹]
b. [CN-¹]/[OH-¹][HCN]
c. [OH-¹][HCN-¹]/[CN]
d. [C-4][N+3]/[CN-1
15. Which compound is a strong acid?
a. HCIO (aq)
b. HCHO2(aq)
c. HCIO4(aq)
d. HC2H3O2(aq)
e. NaOHYG
16. If sodium formate was dissolved in distilled water, which of the following could be
added to make a functional buffer?
d. citric acid
c. formic hydroxide
a. potassium formate
b. formic acid
17. A concentrated weak acid solution is best described as which of the following
a. having a high pH
b. the concentration of undissociated acid particles is low compared that of the hydronium ion
c. the hydronium ion concentration is large compared to that of the undissociated acid particl
d. having a low pH
e. concentration of undissociated acid particles is high and the quantity of hydronium ions is
not correct?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2a6b151-1359-4afc-a21d-7e7a40bc0eeb%2F0967e173-4c80-4251-b917-ca79a7b68802%2F27i63pc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11. A weak acid (Ka = 2.5 x 104) is neutralized with a weak base (Kb = 5.0 x 10-8). What is the pH of
the resulting solution?
a. Acidic
b. Basic
12. A weak base and a weak acid are titrated together to the equivalence point. What is true for a
c. Neutral d. pH = 3.70
e. pH = 7.00
neutral solution?
a. Ka > Kb b. Kb > Ka
c. Ka = Kb
13. Which salt produces an acidic solution?
a. NaCIO (aq)
b. KIO3(aq)
C. NH4CIO4(aq)
d. NH4C2H3O2(aq)
e. H3N
14. 14. For cyanide ion (CN-1) hydrolysis the Kb =
a. [OH-¹][HCN]/[CN-¹]
b. [CN-¹]/[OH-¹][HCN]
c. [OH-¹][HCN-¹]/[CN]
d. [C-4][N+3]/[CN-1
15. Which compound is a strong acid?
a. HCIO (aq)
b. HCHO2(aq)
c. HCIO4(aq)
d. HC2H3O2(aq)
e. NaOHYG
16. If sodium formate was dissolved in distilled water, which of the following could be
added to make a functional buffer?
d. citric acid
c. formic hydroxide
a. potassium formate
b. formic acid
17. A concentrated weak acid solution is best described as which of the following
a. having a high pH
b. the concentration of undissociated acid particles is low compared that of the hydronium ion
c. the hydronium ion concentration is large compared to that of the undissociated acid particl
d. having a low pH
e. concentration of undissociated acid particles is high and the quantity of hydronium ions is
not correct?
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