Gcse Osmosis
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Osmosis Coursework Prediction: I predict that the higher the concentrated solution, the smaller the mass and the lower the concentrated solution, the larger the mass. Results: Batch Concentration of solution (M) Original Mass (g) Final Mass (g) Change in mass (g) Change in Mass (%) A 0.0 2.62 2.88 +0.26 +9.92 B 0.2 2.59 2.68 +0.09 +3.47 C 0.4 2.75 2.77 +0.02 +0.72 D 0.6 2.47 2.38 -0.09 -3.64 E 0.8 2.56 2.42 -0.14 -5.46 F 1.0 2.60 2.40 -0.20 -7.69 Analysis: On my graph at number 1, there is a high mass gain at a low concentration of solution. At number 2, there is a low mass gain at a higher concentration of solution. At number 3, there is an equal amount of solution at an equal concentration of solution. It is balanced. At number 4, there is a low mass decrease at a higher concentration of solution. At number 5, there is a high mass decrease at a very high concentration of solution. After the experiment, I found that my prediction was correct. Batch A, B and C have a small concentration of solution and a high change in mass. Plant cells are...

