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The Concentration of Limewater Solution. Aim: The aim of this experiment is to find out the concentration of limewater solution. I am provided with 250.00 cm3 of limewater, which has been made such that it contains approximately 1g dm3 of calcium hydroxide. Also available is hydrochloric acid, which has a concentration of 2.00mol dm3. To determine the exact concentration of the limewater, the hydrochloric acid must be titrated against it. The hydrochloric acid is very concentrated, and a very little amount will be needed to neutralise a flask full of limewater. Therefore, it will be necessary to dilute the hydrochloric acid. I can use an appropriate value of limewater concentration to calculate the approximate value of 2.00mol dm-3 hydrochloric acid that will neutralise 25.00cm3 of the limewater. I can then calculate how much to dilute the hydrochloric acid by, and make up the volume of hydrochloric acid that will neutralise the...

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