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Determine the concentration of limewater.
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| Submitted: Wed Jan 26 2005
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To determine the concentration of limewater The aim is to plan an experiment which will allow me to determine the concentration, in g dm-3, of the limewater as accurately as possible. I am provided with 250 cm3 of limewater, which has been made such that it contains approximately 1g dm-3 of calcium hydroxide. Also available is hydrochloric acid with a concentration of exactly 2.00 mol dm-3. This acid is too concentrated to be used for this experiment therefore I will have to dilute the acid. Equipment 1) Pipette - 10cm3, 25cm3 9) Burette holder 2) Pipette filler 10) Funnel 3) Beaker 11) Limewater 4) Volumetric flask - 100cm3, 250cm3, 500cm3 12) Distilled water 5) Conical flask 13) Indicator 6) White tile 14) Burette 7) Clamp stand 8) Hydrochloric acid - 2.00 mol dm-3 Safety 1. Wear goggles to protect your eyes from the acid used. 2. The hydrochloric acid is corrosive so you must concentrate well to avoid any contact with the skin. 3. Equipment should be kept...
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