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To find the osmotic pressure of potato cells.
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Osmosis Aim To find the osmotic pressure of potato cells. I can find this out, when there is no net movement (change of mass in potato cylinder) when placed in different concentrations of sugar solution. Background Information Arrangement and movement of particles in solids, liquids and gases. Solids have strong forces of attraction between molecules. The molecules are held in fixed positions, in a very regular lattice arrangement. They keep a definite shape and volume. Solids can't be compressed because the molecules are very close together. Solids are generally very dense. Liquids have some force of attraction between molecules. The molecules are free to move. Liquids don't keep a definite shape. The molecules are constantly moving in random motion. Liquids can't be compressed because the molecules are already packed closely together; liquids are quite dense. Gases do not have a force of attraction between their molecules. The molecules are free to move. Gases don't keep a definite...
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