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Determination of the relative atomic mass of Lithium using Titration.
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| Submitted: Fri Sep 05 2003
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Experiment (Titration) Determination of the relative atomic mass of Lithium Aim: To determine the relative atomic mass of Lithium Introduction: In this investigation I will determine the relative atomic mass of Lithium by two different methods. * First I will measure the volume of Hydrogen gas * Secondly by titrating the Lithium Hydroxide produced Apparatus * Safety Spectacle * Filter funnel * Burette, 50 cm3 * Clamp stand * Pipette one 25cm3 * Teat pipette * 2 Conical flask 25 cm3 * Beakers * 25cm3 Measuring Cylinder * Phenolphthalein indicator solution * Hydrochloric acid solution * Stopper * Wash bottle of distilled water Method 1 1. Set up the equipments as stated below. 2. Measure the exact 100.0cm3 of distilled water and add into 250cm3 conical flask. 3. Weigh about 0.10g of lithium. Record the exact mass of lithium using an appropriate format. 4. Remove the stopper, add the lithium to 100cm3 of distilled water in conical flask, and quickly replace the stopper. 5. Collect the gas...
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