Osmosis refers to the movement of water molecules only. The slideshow shows an example of osmosis showing the direction of movement of water between two different concentrations of sugar solutions ...

Reverse osmosis (RO) is a water purification technology that uses a partially permeable membrane to remove ions, molecules and larger particles from drinking water. In reverse osmosis, an applied ...

This means osmosis is a special case of diffusion: the diffusion of water. In the diagram above solution two gains water faster than it loses sugar. This is because the selectively permeable ...