... In simpler words and relating it to the experiment. The higher concentrations of salt in the test tubes will draw the water that already exists within the potato out so that they are now equal concentrations. Apparatus * Four test tubes * Test tube rack * Four pieces of raw potato that are of the same mass and measurement * Water * Three different concentrations of salt in the different solutions of water * Stopwatch * Paper towel * Four students Method We are grouped in fours and will each take responsibility for their piece of raw potato. They will be cut to the exact same size. They will then be rolled in the paper towel so that any excess water will be absorbed. They are then weighed and their weight is recorded on a table. Then each student will prepare a test tube for his or her potato. Test tube A will contain ...

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