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Finding out how much acid there is in a solution.
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| Submitted: Thu Jul 11 2002
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Finding out how much acid there is in a solution. During the extraction of a metal from its ore sulphur dioxide is often produced. This is converted to sulphuric (VI) acid. I have a sample of this acid, which is thought to have a concentration between 0.05 and 0.15moldm-3 . I have been asked to find an accurate value for its concentration. To obtain this I will use titration. By neutralizing the acid with a base, sodium carbonate, of set concentration, in the presence of an indicator, I will be able to calculate the concentration of the acid. Planning Apparatus: * 100cm³ conical flask * 10cm³ pipette and filler * Burette * 50cm³ beaker * Funnel * Clamp stand * Glass stirring rod * White tile Solutions: * 100cm³ acid solution sulphuric (VI) acid * 5.3g solid anhydrous sodium carbonate * Methyl orange indicator Method Add 500cm³ distilled water to 5.3g anhydrous sodium carbonate and stir until the solid has completely dissolved. This is now a solution...
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