1 - Cut three pieces of potato of the same size., 2 - Record the mass of each potato piece at the start., 3 - Add 150 cm3 of 0.4 mol/dm3 salt solution to a beaker., 4 - Place each potato piece into the beaker., 5 - After 30 minutes, remove each potato piece and dry the surface with a paper towel., 6 - Record the mass of each potato piece afterwards., 7 - Repeat steps 1 to 6 using different concentrations of salt solution.,

Osmosis required practical method

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