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What happens to the mass of a raisin when you put it onto different sugar solutions
Member rating: No Rating | Words: | Submitted: Wed Jan 04 2006
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Osmosis Aim What happens to the mass of a raisin when you put it onto different sugar solutions? A sugar solution is made from glucose and water. A raisin is a dried grape. A sugar solution is inside a grape. Prediction In a weaker sugar solution the water goes in, so the mass increases. In a stronger sugar solution the water goes out, so the mass decreases. In a weaker sugar solution the raisin's mass increase caused by osmosis, the particles are absorbed by the raisin. In a stronger sugar solution the raisin's mass decreases, also caused by osmosis, as the solution already inside the raisin comes out. This raisin has gained water by osmosis. This raisin has lost water by osmosis. Method - Set up equipment. - Put one raisin in each beaker. One with a weak solution, one with a strong solution. - Measure the mass of the raisins every 5 minutes for 30 minutes. - Record results in a...
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