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Find the concentration of a sample of limewater solution in g dm3.
Member rating: No Rating | Words: | Submitted: Mon Apr 26 2004
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Plan The aim of this experiment is to find the concentration of a sample of limewater solution in g dm3. I am required to design my own experiment and choose a range of appropriate equipment and apparatus. The indicator will be supplied to me. I am provided with 250 cm3 of limewater, which has been made such that it contains approximately 1g dm3 of calcium hydroxide. Also available is hydrochloric acid which has a concentration of 2.00 mol dm3, this concentration is too much though so it is necessary to dilute it. Apparatus and chemicals- Pipette 25cm3, Volumetric flask 500cm3, Conical flask 250cm3, Burette, White tile, Clamp and stand, Indicator (methyl orange), Limewater (250cm3 with 1g dm3 of calcium hydroxide), Hydrochloric acid- standard solution (conc. 2.00 mol dm3),Distilled water. Acid + Metal Hydroxide => Salt + Water Limewater + Hydrochloric acid => Calcium chloride + Water + Hydrogen Ca(OH)2(aq) + 2HCl(aq) => CaCl2 +...
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