Consider the reaction, 2 Al(s) + 3 I2(s) → 2 Al3+(aq) + 6 I–(aq), which can be obtained with the following two half reactions: Al3+(aq) + 3 e– → Al(s), E°red = –1.66 V I2(s) + 2 e– → 2 I–(aq), E°red = 0.54 V At 25 °C and a concentration of I–(aq) of 0.15 M, the measured cell potential is 2.32 V. What was the concentration of Al3+(aq) under these conditions?
Consider the reaction, 2 Al(s) + 3 I2(s) → 2 Al3+(aq) + 6 I–(aq), which can be obtained with the following two half reactions: Al3+(aq) + 3 e– → Al(s), E°red = –1.66 V I2(s) + 2 e– → 2 I–(aq), E°red = 0.54 V At 25 °C and a concentration of I–(aq) of 0.15 M, the measured cell potential is 2.32 V. What was the concentration of Al3+(aq) under these conditions?
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
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 120AE
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Consider the reaction, 2 Al(s) + 3 I2(s) → 2 Al3+(aq) + 6 I–(aq), which can be obtained with the following two half reactions:
Al3+(aq) + 3 e– → Al(s), E°red = –1.66 V
I2(s) + 2 e– → 2 I–(aq), E°red = 0.54 V
At 25 °C and a concentration of I–(aq) of 0.15 M, the measured cell potential is 2.32 V. What was the concentration of Al3+(aq) under these conditions?
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