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Diffusion and Osmosis Lab Write Up Hints

Diffusion and Osmosis Lab Write Up Hints. Name Date Block Teacher. Title:. Analyzing the Effects of Sucrose on the Mass % Change Within Dialysis Tubing. Background Words and ideas to include: Diffusion Osmosis Kinetic Energy Molecules Equilibrium Homeostasis

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Diffusion and Osmosis Lab Write Up Hints

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  1. Diffusion and Osmosis Lab Write Up Hints Name Date Block Teacher Title: Analyzing the Effects of Sucrose on the Mass % Change Within Dialysis Tubing

  2. Background • Words and ideas to include: • Diffusion • Osmosis • Kinetic Energy • Molecules • Equilibrium • Homeostasis • Dialysis Tubing

  3. Introduction • Purpose: The purpose of this lab is to analyze the effect of the molarity of sucrose on the mass % change within a dialysis tube system. • Describe: • What we did in the lab in your own words. • How we varied the IV. • How we measured the DV.

  4. Hypothesis As the sucrose molarity increases what happens to the mass % change and why?? As the sucrose molarity increases the mass % change will increase. The higher the molarity of sucrose the less water is in the bag. Therefore more water will move in to reach equilibrium.

  5. Illustration: . • Draw and label all the materials. Show each step in action. Use captions to describe each step.

  6. .

  7. Graph • 1 graph • label all axis • Use units on axis • Use ½ sheet of graph paper • Title • Sucrose molarity on “X” • Mass % change on “Y”

  8. Analysis and Results • Describe what happened in the lab. • Go through and list all of the data. • Reject or accept your hypothesis.

  9. Sources of Error • Since our data was accurate, talk about the parts of the lab where you had to take care to get accurate data. • Blotting water off before massing. • Leaving sufficient space in dialysis tubing.

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