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Experiment 2: Directions and Concentration Gradients

Table 2: Water Movement
Initial Volume Sucrose % Prediction: Will water move in or out? Final Volume
Bag #1 10 mL 30 % In 14 mL
Bag #2 10 mL 15% In 12 mL
Bag #3 10 mL 3% Out 6 mL
Bag #4 10 mL 3% Both Directions 10 mL

problems

1. For each of the bags, identify whether the solution inside was hypertonic, hypotonic or isotonic in comparison to the beaker solution it was placed in.
Bag 1: hypertonic
Bag 2: isotonic
Bag 3: hypotonic
Bag 4: hypertonic

2. Which bag increased the most in volume? Why?

3. What does this tell you about the relative tonicity between the contents of the bag and the solution in the beaker?

4. What would happen if bag 1 is placed in a beaker of distilled water

Biology, Academics

  • Category:- Biology
  • Reference No.:- M944263

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