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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Expert Solution
Step 1
1) When a strong base is added to a weak acid, a buffer solution is obtained.
The amount of major species at equilibrium can be identified by using ICE (initial ,change and equilibrium table).
2) When a strong acid is added to a buffer solution, it reacts with the salt (formed by the conjugate base of the weak acid) of the buffer solution.
The major species at equilibrium can be identified by using ICE (initial ,change and equilibrium table).
Step 2
0.1mol of KOH is added to 1.0L of 0.5M HF .
Construct ICE table:
Hence, at equilibrium the major species is : HF (aq) which is 0.4 mol.
In this case,
acid is : HF (aq)
base is: KOH(aq)
others : KF(aq)
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