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+]/[CN-1 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 c. formic hydroxide b. formic acid a. potassium formate 17. A concentrated weak acid solution is best described as which of the following a. having a high pH 5. the concentration of undissociated acid particles is low compared that of the hydronium io C. the hydronium ion concentration is large compared to that of the undissociated acid partic H. having a low pH -. concentration of undissociated acid particles is high and the quantity of hydronium ions is
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+]/[CN-1 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 c. formic hydroxide b. formic acid a. potassium formate 17. A concentrated weak acid solution is best described as which of the following a. having a high pH 5. the concentration of undissociated acid particles is low compared that of the hydronium io C. the hydronium ion concentration is large compared to that of the undissociated acid partic H. having a low pH -. concentration of undissociated acid particles is high and the quantity of hydronium ions is
Chemistry
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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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![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%2Fc5e89aa7-460f-490a-b282-78e844ac0fa6%2Fmz5bil6_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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