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5 You are given dropper bottles of the reagents listed below. Describe two ways to prepare a buffer at a pH of 3.50. 0.10 M formic acid (HCHO₂) Ka = 1.8 x 10-4 0.10 M sodium formate (NaCHO₂) 0.10 M acetic acid (HC₂H30₂) Ka = 1.8 x 10-5 0.10 M sodium acetate (Na C₂H30₂) 0.10 M carbonic acid (H₂CO3) Ka = 4.3 x 10-7 0.10 M sodium bicarbonate (NaHCO3) 0.10 M KOH 0.10 M HCI 0.10 M boric acid (H3BO3) Ka = 5.8 x 10-10 0.10 M sodium borate (NaH₂BO3)

5 You are given dropper bottles of the reagents listed below. Describe two ways to prepare a buffer at a pH of 3.50. 0.10 M formic acid (HCHO₂) Ka = 1.8 x 10-4 0.10 M sodium formate (NaCHO₂) 0.10 M acetic acid (HC₂H30₂) Ka = 1.8 x 10-5 0.10 M sodium acetate (Na C₂H30₂) 0.10 M carbonic acid (H₂CO3) Ka = 4.3 x 10-7 0.10 M sodium bicarbonate (NaHCO3) 0.10 M KOH 0.10 M HCI 0.10 M boric acid (H3BO3) Ka = 5.8 x 10-10 0.10 M sodium borate (NaH₂BO3)

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
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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10:15 PM Sun Mar 19 3. 0.10 M formic acid (HCHO₂) Ka = 1.8 x 10-4 0.10 M sodium formate (NaCHO₂) 5 TA You are given dropper bottles of the reagents listed below. Describe two ways to prepare a buffer at a pH of 3.50. 0.10 M acetic acid (HC₂H30₂) Ka = 1.8 x 10-5 0.10 M sodium acetate (Na C₂H30₂) 0.10 M carbonic acid (H₂CO3) Ka = 4.3 x 10-7 0.10 M sodium bicarbonate (NaHCO3) 100% + : 0.10 M KOH 0.10 M HCI 0.10 M boric acid (H3BO3) Ka = 5.8 x 10-10 0.10 M sodium borate (NaH₂BO3)
Transcribed Image Text:10:15 PM Sun Mar 19 3. 0.10 M formic acid (HCHO₂) Ka = 1.8 x 10-4 0.10 M sodium formate (NaCHO₂) 5 TA You are given dropper bottles of the reagents listed below. Describe two ways to prepare a buffer at a pH of 3.50. 0.10 M acetic acid (HC₂H30₂) Ka = 1.8 x 10-5 0.10 M sodium acetate (Na C₂H30₂) 0.10 M carbonic acid (H₂CO3) Ka = 4.3 x 10-7 0.10 M sodium bicarbonate (NaHCO3) 100% + : 0.10 M KOH 0.10 M HCI 0.10 M boric acid (H3BO3) Ka = 5.8 x 10-10 0.10 M sodium borate (NaH₂BO3)
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