Question: A Ca 2+ ion-selective electrode was calibrated in metal ion buffers with ionic strength fixed at 0.50 M. Using the following electrode readings, write an

A Ca²⁺ ion-selective electrode was calibrated in metal ion buffers with ionic strength fixed at 0.50 M. Using the following electrode readings, write an equation for the response of the electrode to Ca²⁺ and Mg²⁺.

Ca2+] (M) 1.00 10-6 2.43 10-4 1.00 10-6 [Mg2 1 (M) mV -52.6 +16.1 -38.0 0 3.68 10-3

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E constant A B0059 16 2 B Pot 2log Ca2 KP2 Mg2 Mg2 For the first two solutions we can ... View full answer

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