O Macmillan Learning A coulometer's sensitivity is limited by its minimum current being delivered for its minimum time. Consider a coulometer that can deliver 3.8 mA for 0.18 s. How many moles of electrons can this coulometer deliver in 0.18 s via a current of 3.8 mA? 7.08 x10-9 moles of electrons: Correct Answer mol e¯ Consider a 0.014 M solution of a two-electron reducing agent. How many milliliters of this solution would it take to deliver the same number of moles of electrons as calculated in the first part of the question? 0.253 volume: Incorrect Answer mL

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.3QAP
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O Macmillan Learning
A coulometer's sensitivity is limited by its minimum current being delivered for its minimum time. Consider a coulometer that
can deliver 3.8 mA for 0.18 s.
How many moles of electrons can this coulometer deliver in 0.18 s via a current of 3.8 mA?
7.08 x10-9
moles of electrons:
Correct Answer
mol e¯
Consider a 0.014 M solution of a two-electron reducing agent. How many milliliters of this solution would it take to deliver the
same number of moles of electrons as calculated in the first part of the question?
0.253
volume:
Incorrect Answer
mL
Transcribed Image Text:O Macmillan Learning A coulometer's sensitivity is limited by its minimum current being delivered for its minimum time. Consider a coulometer that can deliver 3.8 mA for 0.18 s. How many moles of electrons can this coulometer deliver in 0.18 s via a current of 3.8 mA? 7.08 x10-9 moles of electrons: Correct Answer mol e¯ Consider a 0.014 M solution of a two-electron reducing agent. How many milliliters of this solution would it take to deliver the same number of moles of electrons as calculated in the first part of the question? 0.253 volume: Incorrect Answer mL
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