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Osmosis

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How does osmosis occur?

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Terms in this set (14)

How does osmosis occur?

By definition, osmosis is the diffusion of water through a selectively permeable membrane from an area of high water potential (low solute concentration) to and area of low water potential (high solute concentration).

Image: How does osmosis occur?

What is a solute?

The substance being dissolved in a solution.

Why do we need a selectively permeable membrane for osmosis to occur?

For osmosis to occur the membrane must be permeable to water but impermeable to the solute and the concentration of the solute must be different on the two sides of the membrane.

What is osmotic pressure?

The pressure that is just sufficient to prevent water from moving across the membrane is referred to as osmotic pressure.

Image: What is osmotic pressure?

What is isosmotic?

This means that two solutions have the same number of particles.