with a razor blade and then rinsed. Each sample was then weighed with a balance to get the initial mass recorded. Six disposable cups were labeled and filled with one of the 100 mL sucrose solutions (0.0M‚ 0.1M‚ 0.2M‚ 0.3M‚ 0.4M and 0.5M). One sample of potato segments was added to each of the sucrose solutions in the disposable cups. The potatoes were left to soak for one hour. After the one hour was up‚ the potatoes were removed and blotted with a paper towels. Finally they were weighed again for
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affect osmosis. Factors that affects the rate of osmosis in a potato: * Time * Temperature * Molar * Sucrose solution * NaCl solution * Concentration of liquid * Age of the potato * Variety of the potato * Potassium‚ K(AQ) Factor Chosen: Different Molar of Sucrose Solution In this investigation I will change the molar of sucrose solution to find the increase or decrease in mass change and also the higher or lower the mass change of the potato chip from its original
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make-shift dialysis tube‚ a type of semi-permeable membrane tubing made from regenerated cellulose (Wikipedia). We then tied each end of the dialysis tube with floss‚ weighed the dialysis tubes and recorded their weights. Next‚ we made the starch/water solution using the formula: Volume1*Concentration1=Volume2*Concentration2.
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University Abstract Divorce is a very controversial issue in today ’s world. There are so many people out there who have gone through a divorce or wanting to get one. However divorce is not something you can just get right up and obtain. It ’s a process that you need to go through that may involve some bad experiences but perhaps good outcomes. An example can be that divorce can be financially devastating because it is too expensive to pay for. Another can be that divorce can be great for couples
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concentration. Osmosis is a type of diffusion. This is the diffusion of water through a selectively permeable membrane from a region of higher water potential to a region of lower water likely. Water potential is the measure of free energy of water in a solution. A living system also contains an active transport to make movement of particles like ions that move against their concentration gradient. The energy source ATP is used during this process to move the particles across the cell membrane. This experiment
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we have made for ourselves. Because of such changes‚ we are also experiencing an extremely high rate of divorce. I believe that the heightened occurrence of divorce is truly one of the greatest changes and challenges that families nowadays are repeatedly facing or experiencing. Divorce puts an unbelievable strain on families and can severely impact the lives of the children involved. Divorce disrupts the lives of children and forces them to face the challenge of residing in two separate households
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and cool slides? If so‚ explain. - DISPERSION SYSTEMS IN PROTOPLASM 4. DEFINE THE FF: a. Solute: The dissolve matter in a solution; The component of a solution that changes its state b. Solvent: A liquid substance capable of dissolving other substances c. Mixture: a substance consisting of two or more substance mixed together d. Solution: A homogeneous mixture of two or more substances e. Emulsion: a colloid in which both phases are liquids f. Suspension: a mixture
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can only be seen with a microscope‚ so you are going to use sticks of potato tissue in solutions that have different concentrations of dissolved substances to observe the effects of osmosis on living tissue. There are three basic relative concentrations of solutions. An isotonic solution has a concentration of dissolved particles equal to that of cells or body tissues; no net water flow occurs. A hypertonic solution has a lower concentration of water (higher concentration of dissolved particles) than
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(As The Editors Of Encyclopædia Britannica say “Paper chromatography‚ technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper. The method consists of applying the test solution or sample as a spot near one corner of a sheet of filter paper. The paper is initially impregnated with some suitable solvent to create a stationary liquid phase. An edge of the paper close to the spot is then immersed in another solvent in which
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coloring. The purpose of this laboratory is to demonstrate in which solution the LifeSaver dissolves faster within five minutes. Materials Water Salt Baking Soda Regular LifeSaver hard candy Cups Watch settled for 5 minutes Observations The Lifesavers are round shape‚ purple color‚ solid and hard and 2cm size. Water is clear at room temperature. Salt and Baking Soda are in it solid state with power appearance. Question Which solution will dissolve the LifeSaver the most within five minutes? Hypothesis
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