• Osmosis Coursework
    and as the concentration of salt decreases, the mass of the potato increases. This is because during osmosis, water diffuses from and area of high concentration to a low concentration. Aim: To investigate the effect of the change of concentration of salt solution on a sample of potato. The question...
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  • Biology Eei
    hypotonic solutions on animal cells. (Huxley & Walter, 1998) Figure 6. The effect of hypertonic and hypotonic solutions on animal cells. (Huxley & Walter, 1998) This experiment will be investigating the effect of; surface area on osmosis and the effect of salt concentration on osmosis, by...
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  • Osmosis
    The Effect of Solute Concentration on Osmosis in Potatoes AIM: To find out the effect of solute concentration on osmosis in potatoes. PREDICTION: Osmosis is the movement of water particles from a high concentration to a low concentration through a partially permeable membrane. Osmosis...
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  • Osmosis
    into the cell. Complete Part One of the Osmosis Lab Student Worksheet, pg. 4-7 of this document. Purpose of Lab: To measure the effect of osmosis on potato tissue and use the data to estimate the concentration of dissolved substances in the cytoplasm of potato cells. Experimental Variables...
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  • Osmosis Lab
    weight as predicted as well. Osmosis will have an effect on a potato cell as it is immersed for a time in solutions of different water concentrations since there is a constant change in the results. This change is caused by the amount of salt concentration in each solution. Through out this lab, we...
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  • Osmosis
    Title: Osmosis in Potato Cells Research Question: Determine the concentration of salt in potato cells, by measuring the change in mass of potato discs after submergence in varying concentrations of salt solution. Hypothesis & Explanation: I think that if a potato cells are placed in varying...
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  • Osmosis
    Osmosis in Plant Cells Sara Braqi March 25, 2012 Biology I Research Question Which saltwater concentration will have the most damaging effects on potato cells? Introduction Osmosis is the diffusion of water across a selectively permeable membrane. Generally, water moves from a lower...
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  • Osmosis and Diffusion
    means that there was more water in the actual potato cells than its surrounding environment. The water moved through a semi-permeable membrane from a higher to lower concentration of salt solution, this is called osmosis. This would explain explain the results shown in Table 1, loss of weight...
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  • Effect of Different Concentrations of Salt on Potato Cell Mass
     Aim To investigate the effects of increasing salinity on potato cell mass. Background Information This experiment is based upon osmosis. Osmosis can be defined as the net movement of water molecules from a region with high concentration to a region...
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  • Effect of Solute Concentration on Osmosis in Potato Cells Report
    : Effect of Solute Concentration on Osmosis in Potato Cells (for our group) Solution Conc. Of Glucose (M) Initial Mass (g) Final Mass (g) Change of Mass (%) Class Average 0 4.5 5.3 17.8 17.5 0.2 4.3 4.5 4.7 5.6 0.4 4.2 3.9 -7.1 -6.7 0.6 4.5 3.3 -26.7 -25.8 0.8 4.1 2.7 -34.1 -30.1 1.0 4.4 2.8...
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  • Osmosis
    OSMOSIS IN POTATO Osmosis describes a physical process in which any solvent moves, without input of energy. The word 'osmosis' is particular to the diffusion of water molecules into the cell. These are the ways to see the effects of osmosis on a plant by comparing potatoes placed in different...
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  • Osmosis/ Potato Lab Ap Bio
    observe the effect of isotonic, hypotonic, and hypertonic solutions on potato cells. Independent variable: Sucrose concentration Dependent variable: Potato weight Hypothesis: I hypothesize that when the sucrose concentration is higher, the weight of the potato cylinders will decrease and when...
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  • Osmosis
    Does the concentration of salt solution affect the mass of a vegetable? OSMOSIS COURSEWORK Investigating Osmosis Aim: To investigate the effect of the change of concentration of salt solution on a sample of potato. The question that I will be investigating is whether the...
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  • Biology Osmosis Experiment
    solution of something like sucrose. In this case there is much less water.(Purchon)(n.d.) * b) State a prediction for each experiment (both salt and fresh water). * * To find out what the solute concentration of a potato is, I will find out the effect of Osmosis on a potato. If there...
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  • Osmosis Lab
    cells comparing the differences between their exposure to the hypotonic(water) and hypertonic(salt water, corn syrup) solutions. Part A Purpose To observe the effects of hypotonic and hypertonic solutions on plant and animal cells. Hypothesis I predict that the hypotonic solution will cause...
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  • Osmosis Report
    have the greatest effect on the rate of osmosis. A hypothesis was created, “when the concentration of NaCl is higher, Osmosis will occur more readily causing the mass of the potato to decrease”. It is expected that the potato will lose water in the higher salt concentration solution as a greater...
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  • Osmosis Potato Lab Report Biology 4u
    than their cell sap, the concentration of water is higher outside the cell so the water moves in the cell causing the potatoes to gain mass through the process of osmosis. This would make the potato hypotonic. When the sucrose solution was at 0.2 mol/L however, the mass stayed the same because the...
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  • The Effect of Salt Concentration on Osmosis in Potato
    the molecules may have been moving slower. Part B: Title: The effect of salt concentration on osmosis in potato. Introduction: 1. The purpose of doing this lab is to observe the effects of various solute concentrations on osmosis in a potato. 2. During osmosis, water moves from...
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  • The Effect of Salt Concentration on Osmosis in Potato Cells
    The Effect of Salt Concentration on Osmosis in Potato Cells We should first explain what Osmosis is. It’s a passage of water from a region of high water concentration through membrane to a region of low water. Semi membrane is a very thin layer of material, which allows some things to pass through...
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  • Science
    Investigating the effect of salt concentration on potatoes, determining the isotonic salt concentration. In this experiment, there will be a point where the concentrations of water inside and outside the potato cells are equal (isotonic). At this point there will be no change in the length...
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