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Experimental set up While you are waiting ( 2 0 minutes ) , complete the following exercise: ( a ) List the initial locations (
Experimental set up
While you are waiting minutes complete the following exercise:
a List the initial locations inside or outside the bag of all of the molecules that are available for osmosis through the membrane, and then LABEL them in the picture below:
b For each molecule you listed in a PREDICT their direction of net overall diffusion: into the bag, out of the bag, both into and out of the bag equally, or none will not diffuse across the membrane State your reason for each prediction.
After minutes, remove the tubing.
Test the bag contents for presence of barium cloride White barium sulfate precipitate forms in magnesium sulfate presence
Test the beaker contents for presence of iodine. Record your observation in your data table
Data table
tabletableBarium cloride test for solution inmembraneIodine test for solution in test tube
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