intra extra equilibrium potential mEq/L mEq/L 12 142 61.77 135 4 -87.97 0.5 * 10^-4 0.75 * 10^-4 120.19 4.5 112 80.36 equlibrium potential = RT/ZF ln(Xo/Xi) =25 mV ln(Xo/Xi) mEq/L=(mMoles/L) / valency Solution intra extra equilibrium potential mEq/L mEq/L 12 142 61.77 135 4 -87.97 0.5 * 10^-4 0.75 * 10^-4 120.19 4.5 112 80.36 equlibrium potential = RT/ZF ln(Xo/Xi) =25 mV ln(Xo/Xi) mEq/L=(mMoles/L) / valency.