A buffer is prepared by mixing 204.0 mL of 0.452 M HCl and 0.500 L of 0.400 M sodium acetate (NaC2H3O2):   Calculate the pH of the buffer. How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.15 units?

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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.78QP: A buffer is prepared by mixing 525 mL of 0.50 M formic acid, HCHO2, and 475 mL of 0.50 M sodium...
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A buffer is prepared by mixing 204.0 mL of 0.452 M HCl and 0.500 L of 0.400 M sodium acetate (NaC2H3O2):

 

  1. Calculate the pH of the buffer.
  2. How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.15 units?
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