Introduction The movement of molecules from an area of greater concentration to an area of less concentration is called Diffusion. Osmosis is the diffusion of water through a selectively permeable membrane from an area with greater concentration of water to an area with less concentration. A Hypertonic Solution is a solution of a higher concentration of solutes and a smaller concentration of water molecules than another solution. However, an Isotonic Solution is a solution that …showed first 75 words of 436 total…

…showed last 75 words of 436 total…there was no salt in it, the fresh water left the cell to mix with the salt outside its cell. No salt molecules could get in, in return. The saltwater bag had gained weight during the 30 minute time period. It had done this through the Hypotonic Solution theorem. The freshwater outside the bag(cell) had entered it because there weren't many water molecules inside the cell. Causing the bag filled with saltwater to gain weight.