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Educational Ministries, Inc. 1998</ref> '''Osmotic pressure''' determines the quantity of water displaced; it is proportional to the number of solute particles in a give volume of solution.
Educational Ministries, Inc. 1998</ref> '''Osmotic pressure''' determines the quantity of water displaced; it is proportional to the number of solute particles in a give volume of solution.
The tendancy of water to move by osmosis is expressed as water potental, the greek letter psi is used as its symbol and it is measured in kPa (kiloPascals).
The tendency of water to move by osmosis is expressed as water potental, the greek letter psi is used as its symbol and it is measured in kPa (kiloPascals).
Pure water has a water potential of 0kPa, solutes lower the water potential.
Pure water has a water potential of 0kPa, solutes lower the water potential.