Question: A red blood cell has an internal salt concentration of 150mM. The cell is placed in a beaker of 500mM salt.

(a) Suppose that the cell membrane is permeable to water but not to ions, decribe what will happen to the cell in terms of osmosis. (b) If the membrane were permeable to ions, in which direction wou;ld solutes diffuse: into the cell or out of the cell?