A current is passed through 500.0 mL of a solution of Cal2. The following electrode reactions occur: Anode: 21- → I2 + 2e- Cathode: 2H20 + 2e- → H2 + 20H After some time, analysis of the solution shows that 35.7 mmol of I2 has been formed. A) How many faradays of charge have passed through the solution? b) How many coulombs? c) What volume of dry H2 at STP has been formed? d) What is the pH of the solution?
A current is passed through 500.0 mL of a solution of Cal2. The following electrode reactions occur: Anode: 21- → I2 + 2e- Cathode: 2H20 + 2e- → H2 + 20H After some time, analysis of the solution shows that 35.7 mmol of I2 has been formed. A) How many faradays of charge have passed through the solution? b) How many coulombs? c) What volume of dry H2 at STP has been formed? d) What is the pH of the solution?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 66QAP: Consider a voltaic cell in which the following reaction takes place in basic medium at 25°C....
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