▾ Part A What is the pH of a 0.125 Mammonia solution? Express your answer numerically to two decimal places. ▸ View Available Hint(s) pH 11.18 Submit Previous Answers ✔ Correct ▾ Part B What is the percent ionization of ammonia at this concentration? Express your answer with the appropriate units. ▸View Available Hint(s) HÅ ? % ionization Value Units Submit Previous Answers Part A Determine the pH of the butter. Express your answer using two decimal places. pH = 5.34 Previous Answers ✔Correct Part B Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer. ΤΑ ΑΣΦΑ ΑΣΦΑ O PAG ? A chemical reaction does not occur for this question. Submit Previous Anewers Request Anewer X Incorrect; Try Again; 8 attempts remaining Part C Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer. | ΑΣΦ AZO O SMC ? A chemical reaction does not occur for this question. Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining PA
▾ Part A What is the pH of a 0.125 Mammonia solution? Express your answer numerically to two decimal places. ▸ View Available Hint(s) pH 11.18 Submit Previous Answers ✔ Correct ▾ Part B What is the percent ionization of ammonia at this concentration? Express your answer with the appropriate units. ▸View Available Hint(s) HÅ ? % ionization Value Units Submit Previous Answers Part A Determine the pH of the butter. Express your answer using two decimal places. pH = 5.34 Previous Answers ✔Correct Part B Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer. ΤΑ ΑΣΦΑ ΑΣΦΑ O PAG ? A chemical reaction does not occur for this question. Submit Previous Anewers Request Anewer X Incorrect; Try Again; 8 attempts remaining Part C Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer. | ΑΣΦ AZO O SMC ? A chemical reaction does not occur for this question. Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining PA
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
![Chemistry
The degree to which a weak base dissociates is given by the
base-ionization constant, Kb. For the generic weak base, B
B(aq) + H₂O(1)
BH (aq) + OH(aq)
this constant is given by
Kb =
BH+|OH|
[B]
Strong bases will have a higher Kb value. Similarly, strong bases
will have a higher percent ionization value.
Percent ionization =
[OH] equilibrium
[B] initial
x 100%
Strong bases, for which K, is very large, ionize completely (100
%). For weak bases, the percent ionization changes with
concentration. The more dilute the solution, the greater the
percent ionization.
A butter is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of a
0.140 M acetic acid (CH3COOH) solution.
▼
▼
Part A
What is the pH of a 0.125 Mammonia solution?
Express your answer numerically to two decimal places.
View Available Hint(s)
pH 11.18
Submit
Previous Answers
✓ Correct
Part B
What is the percent ionization of ammonia at this concentration?
Express your answer with the appropriate units.
▸ View Available Hint(s)
HÅ
3
→ C
?
% ionization= Value
Submit
Units
Previous Answers
Part A
Determine the pH of the butter.
Express your answer using two decimal places.
pH 5.34
Submit
Previous Answers
✓ Correct
▾ Part B
Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer.
Express your answer as a chemical equation. Identify all of the phases in your answer.
|| ΑΣΦ
A chemical reaction does not occur for this question.
Submit Previous Answers Request Answer
X Incorrect; Try Again; 8 attempts remaining
▾ Part C
Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
Express your answer as a chemical equation. Identify all of the phases in your answer.
| ΑΣΦΑ
?
A chemical reaction does not occur for this question.
Submit Previous Answers Request Answer
X Incorrect; Try Again; 8 attempts remaining](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F839f6d97-fc81-4f02-bb76-b44c7711c6cd%2Fee3d6bf9-2961-4c8c-9146-92cc9fa848ad%2Fnxgd4yd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chemistry
The degree to which a weak base dissociates is given by the
base-ionization constant, Kb. For the generic weak base, B
B(aq) + H₂O(1)
BH (aq) + OH(aq)
this constant is given by
Kb =
BH+|OH|
[B]
Strong bases will have a higher Kb value. Similarly, strong bases
will have a higher percent ionization value.
Percent ionization =
[OH] equilibrium
[B] initial
x 100%
Strong bases, for which K, is very large, ionize completely (100
%). For weak bases, the percent ionization changes with
concentration. The more dilute the solution, the greater the
percent ionization.
A butter is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of a
0.140 M acetic acid (CH3COOH) solution.
▼
▼
Part A
What is the pH of a 0.125 Mammonia solution?
Express your answer numerically to two decimal places.
View Available Hint(s)
pH 11.18
Submit
Previous Answers
✓ Correct
Part B
What is the percent ionization of ammonia at this concentration?
Express your answer with the appropriate units.
▸ View Available Hint(s)
HÅ
3
→ C
?
% ionization= Value
Submit
Units
Previous Answers
Part A
Determine the pH of the butter.
Express your answer using two decimal places.
pH 5.34
Submit
Previous Answers
✓ Correct
▾ Part B
Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer.
Express your answer as a chemical equation. Identify all of the phases in your answer.
|| ΑΣΦ
A chemical reaction does not occur for this question.
Submit Previous Answers Request Answer
X Incorrect; Try Again; 8 attempts remaining
▾ Part C
Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
Express your answer as a chemical equation. Identify all of the phases in your answer.
| ΑΣΦΑ
?
A chemical reaction does not occur for this question.
Submit Previous Answers Request Answer
X Incorrect; Try Again; 8 attempts remaining
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