In my opinion, the main differences between the laws and people's opinions regarding drug issues are given by the issue of prohibition. The law punishes consumers, however many people consider that a less punitive education and treatment is the solution to this problem.
Through the process of Osmosis, water will move from a region of high water potential ('concentration') to low water potential. Therefore, water will slowly leave the cells of the potato and enter the sugar solution in an attempt to reach equilibrium and the potato will therefore lose mass.