Which of the following would be the best choice to prepare a buffer with pH = 3.00 ?A. C5H5N: C5H5NCI(pkb for C5H5N = 8.76)(pkb for NH3 = 4.75)(pKa for HNO₂ = 3.33)(PK for C₂H/N = 3.25)(pK₂ for HCO₂H = 3.74)B. NH3: NH4ClC. HNO₂: NaNO2D. C₂H/N : C₂H7NCIE. HCO₂H: HCO₂Na

Acidic buffer solution - a buffer solution that made of weak acid and its conjugate base ( strong…

Which of the following would be the best choice to prepare a buffer with pH = 3.00 ? A. C5H5N: C5H5NCI (pK₁ for C5H5N = 8.76) B. NH3: NH4CI (pkb for NH3 = 4.75) C. HNO₂: NaNO2 (pK₂ for HNO₂ = 3.33) D. C₂H/N : C₂H7NCI (PK for C₂H/N = 3.25) E. HCO₂H: HCO₂Na (pKa for HCO₂H = 3.74)

Which of the following would be the best choice to prepare a buffer with pH = 3.00 ? A. C5H5N: C5H5NCI (pK₁ for C5H5N = 8.76) B. NH3: NH4CI (pkb for NH3 = 4.75) C. HNO₂: NaNO2 (pK₂ for HNO₂ = 3.33) D. C₂H/N : C₂H7NCI (PK for C₂H/N = 3.25) E. HCO₂H: HCO₂Na (pKa for HCO₂H = 3.74)

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Which of the following would be the best choice to prepare a buffer with pH = 3.00 ?
A. C5H5N: C5H5NCI
(pkb for C5H5N = 8.76)
(pkb for NH3 = 4.75)
(pKa for HNO₂ = 3.33)
(PK for C₂H/N = 3.25)
(pK₂ for HCO₂H = 3.74)
B. NH3: NH4Cl
C. HNO₂: NaNO2
D. C₂H/N : C₂H7NCI
E. HCO₂H: HCO₂Na

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