11. What equation or expression would be used to calculate the pH of a solution prepared by dissolving 0.280 mol of benzoic acid (C7H5O2H) and 0.120 mol of sodium benzoate (NaC7H5O2) in water sufficient to yield 1.00 L of solution? The Ka of benzoic acid is 6.50 x 10-5. A) Ka expression в) кЬ еxpression c) Kw = Ka*Kb D) Henderson Hasselbach Equation Calculate the pH of the solution above.
11. What equation or expression would be used to calculate the pH of a solution prepared by dissolving 0.280 mol of benzoic acid (C7H5O2H) and 0.120 mol of sodium benzoate (NaC7H5O2) in water sufficient to yield 1.00 L of solution? The Ka of benzoic acid is 6.50 x 10-5. A) Ka expression в) кЬ еxpression c) Kw = Ka*Kb D) Henderson Hasselbach Equation Calculate the pH of the solution above.
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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Given : moles of weak acid i.e benzoic acid = 0.280 mol
And moles of conjugate base salt of weak acid i.e sodium benzoate = 0.120 mol
Since the solution has both weak acid and its conjugate base salt.
Hence the solution is a buffer solution.
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