Final Mass Initial Mass Difference Percent Difference 1 0.8 0.20 25.00 OM sucrose 0.1 M sucrose 0.9 0.8 0.10 12.50 0.2 M sucrose 0.9 0.7 0.20 28.57 0.3 M sucrose 1 0.9 0.10 11.11 0.4 M sucrose 0.7 0.7 0.00 0.00 0.9 0.7 0.20 28.57 0.5 M sucrose

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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What research question is being asked in this experiment of osmolarity of a potato?
### Osmolarity of Potato Experiment

#### Data Table:

| Sucrose Concentration | Final Mass (g) | Initial Mass (g) | Difference (g) | Percent Difference (%) |
|-----------------------|----------------|------------------|----------------|------------------------|
| 0 M sucrose           | 1              | 0.8              | 0.20           | 25.00                  |
| 0.1 M sucrose         | 0.9            | 0.8              | 0.10           | 12.50                  |
| 0.2 M sucrose         | 0.9            | 0.7              | 0.20           | 28.57                  |
| 0.3 M sucrose         | 1              | 0.9              | 0.10           | 11.11                  |
| 0.4 M sucrose         | 0.7            | 0.7              | 0.00           | 0.00                   |
| 0.5 M sucrose         | 0.9            | 0.7              | 0.20           | 28.57                  |

#### Graph: Figure 1 - Osmolarity of Potato

- **Y-Axis (Vertical):** Percent Difference (%)
- **X-Axis (Horizontal):** Sucrose Concentration (M)

The graph depicts the percent difference in mass of potato slices placed in different sucrose solutions. A blue line represents the variations in percent difference across sucrose concentrations. There is also a dotted red line indicating a linear relationship, though the data points do not perfectly follow a straight line.

- At 0 M sucrose, the percent difference is 25%.
- At 0.1 M sucrose, the percent difference drops to 12.5%.
- At 0.2 M sucrose, it rises to 28.57%.
- At 0.3 M sucrose, it decreases again to 11.11%.
- At 0.4 M sucrose, there is no change (0% difference).
- At 0.5 M sucrose, the percent difference goes back up to 28.57%.

This graph helps to illustrate the relationship between sucrose concentration and osmolarity effect on the potato's mass, indicating how water moves in and out of cells in different osmotic conditions
Transcribed Image Text:### Osmolarity of Potato Experiment #### Data Table: | Sucrose Concentration | Final Mass (g) | Initial Mass (g) | Difference (g) | Percent Difference (%) | |-----------------------|----------------|------------------|----------------|------------------------| | 0 M sucrose | 1 | 0.8 | 0.20 | 25.00 | | 0.1 M sucrose | 0.9 | 0.8 | 0.10 | 12.50 | | 0.2 M sucrose | 0.9 | 0.7 | 0.20 | 28.57 | | 0.3 M sucrose | 1 | 0.9 | 0.10 | 11.11 | | 0.4 M sucrose | 0.7 | 0.7 | 0.00 | 0.00 | | 0.5 M sucrose | 0.9 | 0.7 | 0.20 | 28.57 | #### Graph: Figure 1 - Osmolarity of Potato - **Y-Axis (Vertical):** Percent Difference (%) - **X-Axis (Horizontal):** Sucrose Concentration (M) The graph depicts the percent difference in mass of potato slices placed in different sucrose solutions. A blue line represents the variations in percent difference across sucrose concentrations. There is also a dotted red line indicating a linear relationship, though the data points do not perfectly follow a straight line. - At 0 M sucrose, the percent difference is 25%. - At 0.1 M sucrose, the percent difference drops to 12.5%. - At 0.2 M sucrose, it rises to 28.57%. - At 0.3 M sucrose, it decreases again to 11.11%. - At 0.4 M sucrose, there is no change (0% difference). - At 0.5 M sucrose, the percent difference goes back up to 28.57%. This graph helps to illustrate the relationship between sucrose concentration and osmolarity effect on the potato's mass, indicating how water moves in and out of cells in different osmotic conditions
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