) For an ion with positive valence, what does the ratio of concentration outside to inside need to be for the Nernst potential to be negative, 0, or positive ? b) If the value of K_out were changed to 160mM in a mammalian neuron, and the resting potential was -60 mV. Which way would potassium want to move?

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Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.