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An experiment to measure the amount of oxygen bubbles given off in different strengths of sodium hydrogen carbonate
Member rating: No Rating | Words: | Submitted: Tue Mar 30 2004
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An experiment to measure the amount of oxygen bubbles given off in different strengths of sodium hydrogen carbonate Equipment list * Lamp * Beaker * Boiling tube * Pond weed * Ruler * scissors * Water * Measuring cylinder * Different strengths of NaHCO3 * Paper clip * Stop clock Plan In the experiment I will get a piece of pond weed and cut it to 5cm I will then make sure that the hole is clear and the leaves from that end have been removed so that oxygen bubbles will be able to escape and not get trapped. Once I have done this I will attach a paper clip to the other end to keep the piece of weed in water or the solution. I will then get a beaker and put 200ml of water and into it. After this I would place the boiling tube with 40ml of water and the pond weed into it and turn on the lamp...
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