Intracellular and Extracellular concentrations (mM) of sodium

Problem 3 (20 points) Below is a table of intracellular and extracellular concentrations (mM) of sodium, potassium, chloride, and calcium ions at equilibrium: You can assume$$\mathrm{RT}/\mathrm{F}=26.7\mathrm{mV}$$A) (10 points) Calculate the equilibrium potentials for each of the four ions(Na+,K∗,Cl∗, andCa2∗).

B) (10 points) Assume the membrane potential of the cell is experimentally kept constant (clamped) at$$70\mathrm{mV}$$. What does that mean for the direction of ion flow? Discuss for each ion(Na∗, K+,Cl−,Ca2+)separately.