An electrochemical cell consists of a Pt|H*(aq,1.00 M) |H₂(9) cathode connected to a Pt|H+ (aq)|H₂(g) anode in which the H* concentration is that of a buffer consisting of a weak acid, HA(0.181 M), mixed with its conjugate base, A (0.157 M). The measured cell voltage is Eºo 0.258 V at 25 °C, with PH₂ = 1.00 atm at both electrodes. Calculate the pH in the buffer solution and the Ka of the weak acid. cell a Submit Answer Retry Entire Group pH = K₂ = 9 more group attempts remaining

An electrochemical cell consists of a Pt|H(aq,1.00 M) |H₂(9) cathode connected to a Pt|H+ (aq)|H₂(g) anode in which the H concentration is that of a buffer consisting of a weak acid, HA(0.181 M), mixed with its conjugate base, A (0.157 M). The measured cell voltage is Eºo 0.258 V at 25 °C, with PH₂ = 1.00 atm at both electrodes. Calculate the pH in the buffer solution and the Ka of the weak acid. cell a Submit Answer Retry Entire Group pH = K₂ = 9 more group attempts remaining

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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