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A Beaker is divided into two chambers, A and B, by a semi-permeable membrane lyi...

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A Beaker is divided into two chambers, A and B, by a semi-permeable membrane lying across the middle of the beaker.

Chamber A contains the following concentration of ions:

{Na+} = 58 mM,, {K+} = 140 mM, {Cl-} = 100 mM, {A-} = 106 mM

Chamber B contains the following concentration of ions:

{Na+} = 200 mM,, {K+} = 18 mM, {Cl-} = 50 mM, {A-} = 152 mM

If the membrane is permeable only to K

+

, what is the transmembrane potential difference of Chamber A relative to Chamber B?

Answer in whole numbers, with no decimal places. In your answer give only the numerical (asbolute) value - i.e., ignore the sign of the answer.

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