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An investigation of iron tablets.
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| Submitted: Mon Jun 19 2006
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V.J. Clarke Access Chemistry Practical Assessment An investigation of iron tablets. This is an experiment to find out the amount of ferrous sulphate in milligrammes in iron tablets of the type given to patients suffering from anaemia. This can be evaluated by oxidising the iron with a known solution of potassium manganate 7. Apparatus Burette, 10cl³ pipette, Filter, Filter paper, Clamp stand, Graduated flask, Beakers, Conical Flask, Pestle and Mortar, Hotplate. Method Two iron tablets are crushed using the pestle and mortar, while 50cm³ of sulphuric acid is heated in a beaker on the hotplate. 25cm³ is added to the mortar and is mixed and filtered into a graduated flask. The mortar is swilled out with the remaining 25cm³ of warm acid, this is also poured into the filter. The contents of the graduated flask are made up to 100cm³ with distilled water. The filter should have removed the chalk which comprised the mass of...
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