Calculate the equilibrium membrane potentials to be expected across a membrane at 37 C, with a NaCl

Question:

Calculate the equilibrium membrane potentials to be expected across a membrane at 37 °C, with a NaCl concentration of 0.10 M on the right and 0.01 M on the left, given the following conditions. In each case, state which side is (+) and which is (-).
a. Membrane permeable only to Na+.
b. Membrane permeable only to Cl-.
c. Membrane equally permeable to both ions.