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Determine the concentration of sulphuric acid
Member rating: No Rating | Words: | Submitted: Mon Mar 21 2005
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Verity Reeves Centre number: 30290 Candidate number: 4733 Planning: Determine the concentration of sulphuric acid Risk assessment * As sulphuric acid and sodium hydroxide are both corrosive, I will wear gloves, goggles and lab coat when performing the experiment * If any breakages occur I will carefully dispose of the glass in a suitable bin. * If any spillages occur during my experiments I will clean them promptly. Dilution of H2SO4 As the concentration of the sulphuric acid~10moldm-3, it is too concentrated for my experiments so I will dilute it to approx 0.05moldm-3. Apparatus - * 50.0cm3 pipette * 100.00cm3 graduation flask * deionised water * dropper * 50.0cm3 pipette * 250.00cm3 graduation flask × 2 Method- * Pipette 50.0cm3 of the aqueous sulphuric acid into a 100.00cm3 graduation flask * Add deionised water up to the graduation mark and agitate to ensure a homogenous solution. * Pipette 25.0cm3 of the new solution into a 250.00cm3 graduation flask * Add deionised water up to the graduation mark and agitate. * Pipette...
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