Many common weak bases are derivatives of NH3, where one or hore of the hydrogen atoms have been replaced by another substituent. Such reactions can be generically symbolized as NX3(aq) + H₂O(1) HNX3+ (aq) + OH- (aq) there NX3 is the base and HNX3 is the conjugate acid. The quilibrium-constant expression for this reaction is Kb = [HNXa'][OH ] [NX3] there K is the base ionization constant. The extent of ionization, and hus the strength of the base, increases as the value of K, increases. Ka and K are related through the equation Kax Kb = K s the strength of an acid increases, its K₂ value increase and the trength of the conjugate base decreases (smaller K, value). If K₁ for NX3 is 2.0x10-6, what is the percent ionization of a 0.325 M aqueous solution of NX3? Express your answer numerically to three significant figures. ▸ View Available Hint(s) percent ionization = 27 Submit Previous Answers Request Answer Part C —| ΑΣΦΑ X Incorrect; Try Again; 4 attempts remaining pK₂ = 4 If Kb for NX3 is 2.0x10-6, what is the the pK, for the following reaction ? Submit Express your answer numerically to two decimal places. ► View Available Hint(s) ΠΙΑΣΦ 3 ? HNX3+ (aq) + H₂O(1) = NX3(aq) + H₂O+ (aq) ? %

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...
icon
Related questions
Question
Many common weak bases are derivatives of NH3, where one or
more of the hydrogen atoms have been replaced by another
substituent. Such reactions can be generically symbolized as
NX3(aq) + H₂O(1) HNX3+ (aq) + OH- (aq)
where NX3 is the base and HNX3 is the conjugate acid. The
equilibrium-constant expression for this reaction is
Kb =
[HNX,'][OH ]
[NX3]
where K is the base ionization constant. The extent of ionization, and
thus the strength of the base, increases as the value of K₁, increases.
K and K are related through the equation
K₂ x Kb = Kw
As the strength of an acid increases, its K₂ value increase and the
strength of the conjugate base decreases (smaller K₁, value).
If Kb for NX3 is 2.0x10-6, what is the percent ionization of a 0.325 M aqueous solution of NX3?
Express your answer numerically to three significant figures.
► View Available Hint(s)
percent ionization = 27
Submit Previous Answers Request Answer
* Incorrect; Try Again; 4 attempts remaining
Part C
ΠΙΑΣΦ
If K₁, for NX3 is 2.0x10-6, what is the the pK, for the following reaction
?
pK₂ =
Express your answer numerically to two decimal places.
► View Available Hint(s)
ΜΠΑΣΦ
Submit
?
HNX3+ (aq) + H₂O(1) NX3(aq) + H3O+ (aq)
?
%
Transcribed Image Text:Many common weak bases are derivatives of NH3, where one or more of the hydrogen atoms have been replaced by another substituent. Such reactions can be generically symbolized as NX3(aq) + H₂O(1) HNX3+ (aq) + OH- (aq) where NX3 is the base and HNX3 is the conjugate acid. The equilibrium-constant expression for this reaction is Kb = [HNX,'][OH ] [NX3] where K is the base ionization constant. The extent of ionization, and thus the strength of the base, increases as the value of K₁, increases. K and K are related through the equation K₂ x Kb = Kw As the strength of an acid increases, its K₂ value increase and the strength of the conjugate base decreases (smaller K₁, value). If Kb for NX3 is 2.0x10-6, what is the percent ionization of a 0.325 M aqueous solution of NX3? Express your answer numerically to three significant figures. ► View Available Hint(s) percent ionization = 27 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part C ΠΙΑΣΦ If K₁, for NX3 is 2.0x10-6, what is the the pK, for the following reaction ? pK₂ = Express your answer numerically to two decimal places. ► View Available Hint(s) ΜΠΑΣΦ Submit ? HNX3+ (aq) + H₂O(1) NX3(aq) + H3O+ (aq) ? %
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
Solutions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY