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0 Attempt 1 of 22> Potassium ions (K) move across a 9.0-nm-thick cell membrane from the inside to the outside. The potential inside the cell is -70.0 mV, and the potential outside is zero. What is the change in the electrical potential energy AU of the potassium ions as they move across the membrane? AUelectric =1 1.214 ×10-20
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Total- charge-on-a-potassium ion K+SL+ve electronic charge- le net charge ση-pris ony -1- 6Xo Coulombs Pofn tal , inside the membrane, 셉 Poten a outside the mem brane, VoutaOV so, chang in potential ,AV= Va-Vat Vín--70. 0 mV 1-12 X lo-러 Joules =

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