The diagram shows apparatus set up to investigate the effect of changing the concentration of glucose in the surrounding solution on the movement of molecules through a selectively permeable membrane (Visking tubing) in 15 minutes.
As the concentration of glucose solution in the surrounding solution increases, which statements are correct?
1 Net diffusion of water increases.
2 Glucose molecules reach an equilibrium quicker.
3 There is less change in the volume of surrounding solution.
4 Net diffusion of glucose increases.
1 )
1, 2, 3 and 4
2 )
1, 2 and 4 only
3 )
1 and 3 only
2 and 3 only
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