Question

A semi-permeable membranous sac contains a 4% NaCl, 96% water solution. This sac is placed into a beaker containing a 16% NaCl, 84% water solution. The membrane is permeable to NaCl. Which way will NaCl flow across the membrane (into or out of the sac)?

Answer 1

Should be going out of the sac because the molecules has to balance the concentration not sure tho