The effects of Osmosis on a potato chip in Sugar Solution Assignment

The effects of Osmosis on a potato chip in Sugar Solution Assignment Words: 603

Effect of Sugar Solution on Potato Chips Planning Before planning the experiment, I will research osmosis, so that I can make predictions. This will help me to discover how to make this investigation fair and safe. Planning ahead will help me find out the order in which to carry out the experiment. This should lead me to good results at the end of the experiment. Hypothesis Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration.

When a potato is laced in water, the cells will expand by gaining weight depending on the concentration levels of the solution. When the concentration of the water is lower, more water molecules are allowed to pass through the potato cell. This causes the potato to gain weight and expand. If the concentration levels of the solution are higher, the cells will lose water and cause the potato to lose weight and therefore shrink. Prediction I predict that when the lower the concentration of sugar solution in the water, the more the potato will expand by osmosis.

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When the concentration of water is identical to the concentration of the potato cell, there will be no increase or decrease in weight. This is because the amount going into the cell will be the same as the amount going out. As soon as the water concentration becomes higher, the cells will shrink because more water will be leaving the cell than entering it. In distilled water alone, I predict that the water in the potato will be more concentrated. Because of this, the water should transfer from the solution to the potato, and the potato will gain weight. In the 0. Alarm solutions, the substances will be very similar in concentration. There should be little change to the size and weight of the potato. When the potato is placed in 0. 4 molar solutions, the substances will still be very similar but the concentration of the water solution should be slightly greater to that of the potato. This will cause the potato to shrink slightly. As the molar solutions get higher, the water will transfer more and more trot the potato to the water solution, therefore decreasing its size and weight. The most extreme shrinking should occur when the potato is placed in 1. Alarm solution, as here the difference in the water concentration is at its largest. Safety I will be using a very sharp knife, which could injure someone if it is not handled properly. And I will also be careful that the solutions do not get into my body internally as I am not fully aware of the damage it could cause. Method I will cut chips from the same potato because different potatoes may act differently and affect the results. I will cut them mm long exactly with square ends mm wide and mm thick. I will use a chopping and knife for this.

When the potatoes are removed from the solution, the osmosis stops. I will then dry the potatoes using a paper towel being careful so that none of the potatoes fall apart. I will place them into sets tot three depending on when which solution they were placed in and weigh and measure them. To get the most accurate results, I will take the average reading of the three pieces. I will then analyses my results and see if they match my prediction. Equipment *Sharp Knife *Chopping Board *Distilled Water *Sugar *Potato *Boiling Tube *Boiling Tube Rack *Ruler *Scales * Stopwatch

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The effects of Osmosis on a potato chip in Sugar Solution Assignment. (2019, Feb 27). Retrieved July 25, 2021, from