Table 1 1 FruitVegetable Results Group Data Sucrose Solution Initial Mass g

Table 1 1 fruitvegetable results group data sucrose

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Table 1-1: Fruit/Vegetable Results Group Data Sucrose Solution Initial Mass (g) Final Mass (g) Mass Difference % Change in Mass 0.0 0.2 0.4 0.6 0.8 Fruit/Vegetable:______________________________ Temperature (°C): __________
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Analysis 1. Design a graph with two representations a. Your groups % Change in Mass b. Class Averages for each fruit ***Print & Attach graph to this report 2. Using the information from the graph, calculate the water potential of each fruit/vegetable In order to do so, the 0 axis line should actually be in the middle of your graph. The y axis above this line should be labeled % increase in mass while the y axis below this line should be labeled % decrease. The x axis is the sucrose molarity within the beaker. Ψ Zucchini = ___________ Ψ Red Apple = ___________ Ψ Green Apple = ___________ Ψ Brown Potato = ___________ Ψ Red Potato = ___________ Ψ Pear = ___________ Ψ Butternut Squash = ___________ Post Lab Questions 1. If a core is allowed to dehydrate by sitting in the open air, would the water potential of the potato cells decrease or increase? Why? 2. If a plant cell has a lower water potential than its surrounding environment and if pressure is equal to zero, is the cell hypertonic (in terms of solute concentration) or hypotonic to its environment? Will the cell gain or lose water? Explain. 3. If the water potential for a sucrose solution in a dialysis bag is -6.25 mPa and it is immersed in a cup of sucrose solution having a water potential of -3.25 mPa, and if the water potential inside and outside the bag is zero, will the bag gain or lose mass? Explain your answer.
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  • Fall '16
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  • Drinkware, bag

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