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4) You wish to make a buffer with a pH of 4.72 using 100.0 mL of a 1.00 M solution of hydrazidic acid, HN3. Which of the following could you add to make a buffer system? A) Hydrochloric acid, HCl B) Sodium hydroxide, NaOH C) Water, H₂0 D) Ammonia, NH3 How many moles do you need to add to form the desired buffer? ● ● Hydrazidic acid = HN3, pKa = 4.72

4) You wish to make a buffer with a pH of 4.72 using 100.0 mL of a 1.00 M solution of hydrazidic acid, HN3. Which of the following could you add to make a buffer system? A) Hydrochloric acid, HCl B) Sodium hydroxide, NaOH C) Water, H₂0 D) Ammonia, NH3 How many moles do you need to add to form the desired buffer? ● ● Hydrazidic acid = HN3, pKa = 4.72

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.141QP: Ka for formic acid is 1.7 104 at 25C. A buffer is made by mixing 529 mL of 0.465 M formic acid,...
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4) You wish to make a buffer with a pH of 4.72 using 100.0 mL of a 1.00 M solution of hydrazidic acid, HN3. Which of the following could you add to make a buffer system? A) Hydrochloric acid, HCl B) Sodium hydroxide, NaOH C) Water, H₂0 D) Ammonia, NH3 How many moles do you need to add to form the desired buffer? ● Hydrazidic acid = HN3, pKa = 4.72
Transcribed Image Text:4) You wish to make a buffer with a pH of 4.72 using 100.0 mL of a 1.00 M solution of hydrazidic acid, HN3. Which of the following could you add to make a buffer system? A) Hydrochloric acid, HCl B) Sodium hydroxide, NaOH C) Water, H₂0 D) Ammonia, NH3 How many moles do you need to add to form the desired buffer? ● Hydrazidic acid = HN3, pKa = 4.72
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