Salt bridge A concentration cell similar to the one shown is composed of two Cr electrodes and solutions of different Cr3+ concentrations. The left compartment contains 0.222 M Cr3+ , and the right compartment contains 0.729 M Cr3+ . Calculate the cell potential for this reaction at 298 K. volts

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Salt bridge
A concentration cell similar to the one shown is composed of two Cr electrodes and
solutions of different Cr3+ concentrations. The left compartment contains 0.222 M
Cr3+ , and the right compartment contains 0.729 M Cr3+ .
Calculate the cell potential for this reaction at 298 K.
volts
In this chromium concentration cell, the reaction would proceed spontaneously
Transcribed Image Text:Salt bridge A concentration cell similar to the one shown is composed of two Cr electrodes and solutions of different Cr3+ concentrations. The left compartment contains 0.222 M Cr3+ , and the right compartment contains 0.729 M Cr3+ . Calculate the cell potential for this reaction at 298 K. volts In this chromium concentration cell, the reaction would proceed spontaneously
When the Hg2+ concentration is 1.30 M, the observed cell potential at 298K for an
electrochemical cell with the following reaction is 2.581V. What is the Al3+
concentration?
3H92+(aq) + 2AI(s)3Hg(1) + 2AI3+(aq)
Answer:
M
Transcribed Image Text:When the Hg2+ concentration is 1.30 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.581V. What is the Al3+ concentration? 3H92+(aq) + 2AI(s)3Hg(1) + 2AI3+(aq) Answer: M
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