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Determining the concentration of a limewater solution Task I am provided with 250 cm³ of limewater (calcium hydroxide), which has been made such that it contains approximately 1g/dm³ of calcium hydroxide. Also available is hydrochloric acid which has a concentration of exactly 2.00-mol/dm³. However, this acid is too concentrated to be used so will need to be diluted for the experiment. My aim is to plan an experiment which will allow me to determine the concentration, in g/dm³, of the limewater as accurately as possible. Normal laboratory equipment is available including indicator solutions but no other chemicals may be used. The apparatus I have chosen: * Pipette (25cm³) - to gain an accurate amount of hydrochloric acid ready for dilution * Volumetric flask (500cm³) - Very accurate equipment used for the dilution of the hydrochloric acid * Conical flask (250cm³) - to put the limewater solution into ready for the titration * Burette (50cm³) - to contain the diluted hydrochloric...

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