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Question: the membrane that surrounds a certain type of living cell...

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2.The membrane that surrounds a certain type of living cell has a surface area of 5.0 x 109 and a thickness of 1.0 x 10 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.0. (a) The potential on the outer surface of the membrane is +60.0 mv greater than that on the inside surface. How much charge resides on the outer surface? (b) If the charge in part (a) is due to positive ions (charge +e), how many such ions are present on the outer surface?
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