A student calibrated a Mg2+ ion-selective electrode using two standard solutions at 25°C and constant ionic strength. The following results were obtained: [Mg2+] M 1* 10:3 E(mV) 142 113 1* 10-4 What is the concentration of the test solution that gave a potential reading of 125 mV under the same conditions? Hint: plot E vs log [Mg2+]
A student calibrated a Mg2+ ion-selective electrode using two standard solutions at 25°C and constant ionic strength. The following results were obtained: [Mg2+] M 1* 10:3 E(mV) 142 113 1* 10-4 What is the concentration of the test solution that gave a potential reading of 125 mV under the same conditions? Hint: plot E vs log [Mg2+]
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.2QAP
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![A student calibrated a Mg2+ ion-selective electrode using two standard solutions
at 25°C and constant ionic strength. The following results were obtained:
[Mg2+] M
1 * 10:³
E(mV)
142
1* 10-4
113
What is the concentration of the test solution that gave a potential reading of
125 mV under the same conditions? Hint: plot E vs log [Mg2+]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feac25eb9-213c-4be9-ac5b-c069dffd70f0%2Fd12955ab-1b64-4a39-af3f-aec15b622c2a%2Fq96awa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A student calibrated a Mg2+ ion-selective electrode using two standard solutions
at 25°C and constant ionic strength. The following results were obtained:
[Mg2+] M
1 * 10:³
E(mV)
142
1* 10-4
113
What is the concentration of the test solution that gave a potential reading of
125 mV under the same conditions? Hint: plot E vs log [Mg2+]
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