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Lab Experiment: Fluoride Speciation and Analysis by Flow Injection using Ion-Selective Electrode. Q1) what is the Nernst...

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Chemistry

Lab Experiment: Fluoride Speciation and Analysis by FlowInjection using Ion-Selective Electrode.

Q1) what is the Nernst equation for the Fluoride Ion SelectiveElectrode (ISE)? How does this show that measured potential isproportional to Fluoride ion concentration?

2Q) What is a common cause of error when using a referenceelectrode?

3Q) IS the pH of solutions important when using the FluorideISE? If so, why?

Answer & Explanation Solved by verified expert
4.3 Ratings (788 Votes)
Q1 The electrode potential isrelated to the logarithm of the concentration of the measured ionby the Nernst equationwhere n is the ion charge negativefor anions The factor 2303 RTF has a theoretical value of 59 mVat 25 C The equation is    See Answer
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