An investigation into the effect of glucose concentration on osmosis.

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An investigation into the effect of glucose concentration on osmosis.

The aim of my experiment is to investigate the effect of glucose solution on osmosis in potato chips. I shall be observing how the mass of the potato chip changes in different concentrations of glucose solutions. Simply, will the effect of the action of osmosis be affected by the concentration of the solution?

Firstly, I measure the mass of the potato chips, each one was to be 10 grams in weight. The chip will be placed into a glucose solution of a certain concentration. After leaving the chip for an hour I shall take it out, blot the excess liquid and measure the mass. I shall record the differences in masses and then calculate the percentage weight changes of the recorded masses when a potato chip has been in different concentrates.

To ensure that my results are as fair and accurate as possible shall use a number of controls. These will hopefully eliminate any extreme variables in my results. Firstly, I shall choose the same variety of potato for each chip because the permeable membrane will have a similar genetic makeup. This will exclude this possible difference