An electrochemical cell consists of a Pt|H+(aq,1.00 M)|H2(g) cathode connected to a Pt|H+(aq)|H2(g) anode in which...
An electrochemical cell consists of a Pt|H+(aq,1.00
M)|H2(g) 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(0.136 M), mixed with its conjugate
base, A-(0.142 M). The measured cell
voltage is E°cell = 0.196 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.
pH = _______
Ka = _______
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An electrochemical cell consists of a Pt|H+(aq,1.00
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