Calculate the diffusive force (J) experienced by K + in a cell where the concentration gradient is 35 mM, the membrane width is 1 cm, solubility of K + across the membrane is 1 and the diffusive area (# of channels available) is 10. Assume that the cell is at 1 degree Celsius

J = [ (C1-C2) * TSA]/∆X

Question

Fiona Black

Chemistry

30 April, 01:33

Calculate the diffusive force (J) experienced by K + in a cell where the concentration gradient is 35 mM, the membrane width is 1 cm, solubility of K + across the membrane is 1 and the diffusive area (# of channels available) is 10. Assume that the cell is at 1 degree Celsius

J = [ (C1-C2) * TSA]/∆X

+1

Answers (1)

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Valentin Rodriguez · Answer 1

J = 95.9 mol². K. cm / L²

Explanation:

J = [ (C1 - C2) * TSA] / ΔX

∴ C1 - C2 = 35 mM = 0.035 mol/L

∴ ΔX = 1 cm

∴ S = 1 mol/L

∴ A = 10cm²

∴ T = 1°C = 274 K

⇒ J = (0.035 mol/L * 274K * 1 mol/L * 10 cm²) / 1 cm

⇒ J = 95.9 mol². K. cm / L²