1. Determine whether the solution in the beakers is isotonic, hypertonic, or hypotonic relative to the solution in diffusion bags 1, 2, 3, and 4 and record your answers. Soon, you will place a diffusion bag into each beaker. For each diffusion bag and beaker, predict whether the volume and mass will increase, decrease, or stay the same after diffusion has taken place. 2. Take a balance from the Instruments shelf and place it onto the workbench.

The question is incomplete as it is lacking the images of the beaker and the diffusion bags.

Explanation:

1) Isotonic solution : An isotonic solution is one in which the concentration of the content of the beaker and the diffusion bag is the SAME.

In this kind of solution, the volume and mass of the solution of the beaker and diffusion bag remains the same as their is net migration across the semi-permeable membrane.

2)  Hypertonic solution : An hypertonic solution is one in which the concentration of the content of the beaker is higher than the concentration of the diffusion bag.  

Hence there is net migration across the semi-permeable membrane into the beaker leading to a increase in volume and mass of the diffusion bag.

3) Hypotonic solution : An hypotonic solution is one in which the concentration of the content of the beaker is lower than the concentration of the diffusion bag.  

Hence there is net migration across the semi-permeable membrane from the beaker leading to an decrease in volume and mass of the diffusion bag.

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