Question: A cyanide ion-selective electrode obeys the equation E = constant - 0.059 16 log[CN - ] The potential was - 0.230 V when the electrode

A cyanide ion-selective electrode obeys the equation

E = constant - 0.059 16 log[CN-]

The potential was - 0.230 V when the electrode was immersed in 1.00 mM NaCN.

(a) Evaluate the constant in the equation.

(b) Using the result from part (a), find [CN-] if E= - 0.300 V.

(c) Without using the constant from part (a), find [CN-] if E = - 0.300 V.

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