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What will happen?

a) You put one cube of sugar into a mug with tea (or coffee). What will happen if you let the tea stand for some time? Make a sketch. Explain.

b) With a permeable membrane, you divide a mug with tea into two compartments. You put one cube of sugar into one of the compartments but not into the other one. What will happen if you let the tea stand for some time? Make a sketch. Explain.

c) Now you do the same experiment as in b), but you use a semi-permeable membrane. What will happen if you let the tea stand for some time? Make a sketch. Explain.

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