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| Topic: |
Science
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| Number of pages / Number of words: |
5 / 1356 |
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A burette was washed first with distilled water to remove any impurities. Then with HCl to prevent the acid from being neutralised by the remaining water, as this would increase the pH of the acid and give a less accurate titre. It will also remove any impurities not dealt with by the water. The burette was then carefully filled to the top with HCl...
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It will also remove any impurities not dealt with by the water. The burette was then carefully filled to the top with HCl. A 10cm3 pippet was used to place portions of the urea solution into a beaker, into which a few drops of methyl orange were placed to act as an indicator. The beaker was arranged on top of a white tile so that the end-point of the titration could be determined more accurately...
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