Homework - Osmosis Exam Question Q1. A student investigated the effect of different sugar solutions on potato ti This is the method used. 1. Add 30 cm of 0.8 mol dm sugar solution to a boiling tube 2. Repeat step 1 with equal volumes of 0.6, 0.4 and 0.2 mol dmsugar solutens 3. Use water to give a concentration of 0.0 mol dm- 4. Cut five cylinders of potato of equal size using a cork borer. 5. Weigh each potato cylinder and place one in each tube. 6. Remove the potato cylinders from the solutions after 24 hours. 7. Dry each potato cylinder with a paper towel. 8. Reweigh the potato cylinders. The table below shows the results. Concentration of sugar solution in mol dm Final Starting mass in g Change of mass in g Percentage (%) change mass in g 0.0 1.30 1.51 0.21 16.2 0.2 1.35 1.50 0.15 0.4 1.30 1.35 0.05 3.8 0.6 1.34 1.28 -0.06 -4.5 0.8 1.22 1.11 -0.11 -9.0 Calulate the value of X in the table above. Percentage change in mass =

Homework - Osmosis Exam Question Q1. A student investigated the effect of different sugar solutions on potato ti This is the method used. 1. Add 30 cm of 0.8 mol dm sugar solution to a boiling tube 2. Repeat step 1 with equal volumes of 0.6, 0.4 and 0.2 mol dmsugar solutens 3. Use water to give a concentration of 0.0 mol dm- 4. Cut five cylinders of potato of equal size using a cork borer. 5. Weigh each potato cylinder and place one in each tube. 6. Remove the potato cylinders from the solutions after 24 hours. 7. Dry each potato cylinder with a paper towel. 8. Reweigh the potato cylinders. The table below shows the results. Concentration of sugar solution in mol dm Final Starting mass in g Change of mass in g Percentage (%) change mass in g 0.0 1.30 1.51 0.21 16.2 0.2 1.35 1.50 0.15 0.4 1.30 1.35 0.05 3.8 0.6 1.34 1.28 -0.06 -4.5 0.8 1.22 1.11 -0.11 -9.0 Calulate the value of X in the table above. Percentage change in mass =

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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