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Introduction:
This experiment was used to examine the hypothesis that: Osmosis is dependent on the concentrations of the substances involved.

Diffusion is the passage of solute molecules from an area of high concentration to an area of low concentration (Campbell & Reece, 2005). An example is ammonia diffusing throughout a room. A solute is one of two components in a chemical solution. The solute is the substance dissolved in the solution. The solvent, the other component, is any liquid in which the solute can be dissolved (Anderson, 2002). Diffusion requires little or no energy because molecules are always randomly moving; this is due to their kinetic energy. Diffusion occurs only when there is an imbalance in the areas of concentration. The difference in concentration of molecules over a distance is known as a concentration gradient (Enger, Ross, & Bailey, 2005). Furthermore, net movement relates to the movement of molecules in one direction minus the movement of......

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