Evaluate the potential measured the solution ph

Reference no: EM13531455

When an interfering substance M is present, a fluoride ion selective electrode obeys the following modified response equation:

E(V) = K - ß(0.0592)log{[F-]+Ks[M-]}

A potential of -235.6 mV is measured for a fluoride ion selective electrode in a solution of 3.16×10-5 M fluoride at pH 5.00. Calculate the potential that would be measured if the solution pH were 9.70, assuming the selectivity coefficient (Ks) for OH- is 0.1 and that ß is 1.00. Must show any formulas used other than above and all work for full credit.

Reference no: EM13531455

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