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Question

When using an ion selective electrode, why does plotting Measured electric potential vs LogK+ conform to the nernst equation?

nernst E=Ec+59.16mV (Logak)



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3. Discuss why a plot of E vs log [K ] from Part I conforms to equation I (from your jal manual), and a plot of E vs log ak is not necessary. (10 pts)

The ion-selective electrodes respond to the activity of the specific ion according to the Nernst equation, which for the K* selective electrode is: E = E. +2.3 RT F log ak (1)

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Subject: Chemistry, Science
Discuss why a plot of E vs log [K ] from Part I conforms to equation I (from your jal manual), and a plot of E vs log ak is not necessary.
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