Question: Calculate (a) pI if the cell in Problem 21-17(a) has a potential of - 196 mV. (b) pPO4 if the cell in Problem 21-17(c) has

Calculate
(a) pI if the cell in Problem 21-17(a) has a potential of - 196 mV.
(b) pPO4 if the cell in Problem 21-17(c) has a potential of 0.211 V.

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