Problem: A 250.0-mL solution buffer solution is 0.250 M in acetic acid and 0.250 M in sodium acetate. The acid dissociation constant of acetic acid is 1.8 x 10-5.  i. What is the initial pH of this solution?         ii. What is the pH after addition of 0.0050 mol of HCl?               iii. What is the pH after addition of 0.0050 mol of NaOH?

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A 250.0-mL solution buffer solution is 0.250 M in acetic acid and 0.250 M in sodium acetate. The acid dissociation constant of acetic acid is 1.8 x 10-5

i. What is the initial pH of this solution?

 

 

 

 

ii. What is the pH after addition of 0.0050 mol of HCl?

 

 

 

 

 

iii. What is the pH after addition of 0.0050 mol of NaOH?

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