Page 2-62 Chemistry, Nutrition, and Digestion In reference to the diagram on the

Question

Page 2-62 Chemistry, Nutrition, and Digestion In reference to the diagram on the previous page: 11. The 25% sugar solution is actually composed of 12. water and % Which direction do you expect the water to move in this example? equally in both directions from A to B from B to A a. d. the water won't move at all Which direction do you expect the sugar to move in this example? c. equally in both directions 13. from A to B from B to A a. d. the sugar won't move at all (1.5 points) (comprehension) Explain the logic you used to determine your answers to questions #12 and 13. In your answer, include the following terms: solute, solvent, diffusion, osmosis, concentration gradient, selectively permeable membrane. 14. 15. (I point) (application) The half-life of Zinc-71 is 2 minutes. If you have 100 g at time zero, how many grams would be left after 8 minutes has elapsed? Show your work. No credit unless work is shown.

Explanation / Answer

25% sugar solution means it contains 75% water and 25% sugar by mass. That means if we mix 25 gm sugar in 75 ml water to get 100 gm dolution. It will be 25% sugar solution.

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