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Exercise 2: Osmosis
In this activity you investigate the relationship between solute concentration and water movement by filling six different dialysis bags with increasing concentrations of sucrose and placing the bags into distilled water. After the time for the experiment has elapsed, you compare the initial weight of each bag with its final weight, calculate the percent change in mass, pool your data with that of your classmates, and graph your results. Hint: Be sure that the entire dialysis bag and tie are submerged! For more information, review the section on Osmosis (continued). ![]() ![]() |