A buffer is prepared by mixing 16 mL 1M CH3COONa and 4 mL 1M CH3COOH pKa = 4.74. Determine the pH after adding 0.1 mole H+ to 1L of the buffer solution and buffering capacity ?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 12QAP: A buffer is prepared by dissolving 0.062 mol of sodium fluoride in 127 mL of 0.0399 M hydrofluoric...
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A buffer is prepared by mixing 16 mL 1M CH3COONa and 4 mL 1M CH3COOH pKa = 4.74. Determine the pH after adding 0.1 mole H+ to 1L of the buffer solution and buffering capacity ?  

a)5.21, 7.69 x 10^-3 M
b)5.50, 7.69 x 10^-3 M
c)5.34, 6.67 x 10^-3 M
d)5.49, 7.69 x 10^-3 M
e)5.20, 6.67 x 10^-3 M

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