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Titration of Iron (II) ammonium sulphate
Member rating: No Rating | Words: | Submitted: Sun Dec 15 2002
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Titration of Iron (II) ammonium sulphate Aim: To find the concentration of Fe (II) in (NH4)2SO4 Fe SO4.6H2O Method: 1. A weighing bottle was accurately weighed and approximately 5g of Iron (II) ammonium sulphate was then added to the bottle, after which the total mass of bottle + Iron (II) ammonium sulphate was weighed and recorded. ALL of the crystals were then tipped into a 100cm3 beaker. The bottle was carefully rinsed out 3 or so times with 1 mol dm-3 of sulphuric acid (whilst taking care not to let the acid come into contact with skin as it is irritant), transferring the rinsings to the beaker each time. Care was taken to ensure that all of the crystals were transferred to the beaker. 2. A further 25cm3 of acid was then added to the beaker but the beaker was not filled to more than half its volume. The acid and solid...
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