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A buffer solution is prepared by mixing 20.0 mL 0.45 M CH3COOH (acetic acid) with 35.0 mL 0.45 M CH3COONA (sodium acetate) a. What is the amount of 4.0 M CH3COOH which must be added to this buffer solution to double the [H3O*)? b. What is the amount of 2.0 M HCI that must be added to decrease the pH by 0.50? c. How much NaOH(s) in g (grams) has to be added to the solution to raise the pH by 2.00?

A buffer solution is prepared by mixing 20.0 mL 0.45 M CH3COOH (acetic acid) with 35.0 mL 0.45 M CH3COONA (sodium acetate) a. What is the amount of 4.0 M CH3COOH which must be added to this buffer solution to double the [H3O*)? b. What is the amount of 2.0 M HCI that must be added to decrease the pH by 0.50? c. How much NaOH(s) in g (grams) has to be added to the solution to raise the pH by 2.00?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Buffer Solution Preparation and pH Adjustment** A buffer solution is prepared by mixing 20.0 mL of 0.45 M CH₃COOH (acetic acid) with 35.0 mL of 0.45 M CH₃COONa (sodium acetate). **Questions:** a. What is the amount of 4.0 M CH₃COOH that must be added to this buffer solution to double the [H₃O⁺] concentration? b. What is the amount of 2.0 M HCl that must be added to decrease the pH by 0.50? c. How much NaOH(s) in grams has to be added to the solution to raise the pH by 2.00?
Transcribed Image Text:**Buffer Solution Preparation and pH Adjustment** A buffer solution is prepared by mixing 20.0 mL of 0.45 M CH₃COOH (acetic acid) with 35.0 mL of 0.45 M CH₃COONa (sodium acetate). **Questions:** a. What is the amount of 4.0 M CH₃COOH that must be added to this buffer solution to double the [H₃O⁺] concentration? b. What is the amount of 2.0 M HCl that must be added to decrease the pH by 0.50? c. How much NaOH(s) in grams has to be added to the solution to raise the pH by 2.00?
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