The K, for acetic acid is 1.8 × 105. Write the expression for K, for this acid, based on the equation below. Calculate the pH for a 0.250 M aqueous solution of this weak acid. a. b. C HC,H,O, (aq) + H,O (1) - H,O* + C,H,O, 1

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Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.63PAE: 12.63 For each of the following reactions, indicate the Bronsted-Lowrv acids and bases. What are the...
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11help please use sig figs

The K, for acetic acid is 1.8 × 10°.
Write the expression for K, for this acid, based on the equation below.
Calculate the pH for a 0.250 M aqueous solution of this weak acid.
a.
b.
C HC,H,O, (aq) + H,0 (1)
- H,0* + CH,0,1
Transcribed Image Text:The K, for acetic acid is 1.8 × 10°. Write the expression for K, for this acid, based on the equation below. Calculate the pH for a 0.250 M aqueous solution of this weak acid. a. b. C HC,H,O, (aq) + H,0 (1) - H,0* + CH,0,1
Expert Solution
Step 1

Acid dissociation constant ( KA ) is used to determine the strength of acid.

Greater the value of KA, stronger will be the acid because greater will be its dissociation in solution. 

Smaller the value of KA, weaker will be the acid because smaller will be its dissociation in solution. 

 

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