A cell membrane has a surface area of 1.2 × 10−7 m2, a dielectric constant of...
A cell membrane has a surface area of 1.2 × 10−7 m2, a dielectric constant of 5.5, and a thickness of 7.1 nm.
The potential difference across the membrane is 60 mV.
Round youranswers to two significant figures.
(a) What is the magnitude of the charge on each surface of the
membrane?
Q = pC
(b) How many ions are on each surface of the membrane, assuming
they are singly charged (|q| = e)? ___ × 10
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