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Finding the Concentration of Limewater Solution The aim of the experiment is to find the concentration of a limewater solution (calcium hydroxide) as accurately as possible. The limewater solution is approximately 1gdm-3 but to get a more accurate concentration I will use an acid based titration. A neutralisation reaction will take place between the acid (hydrochloric acid) and the base (calcium hydroxide) during the titration. I will use the base to neutralise the acid and make a salt (calcium chloride) and water. This reaction can be written as: 2HCl + Ca(OH)2 › CaCl2 + 2H2O However I need to find the exact concentration of the reagent, Calcium Hydroxide solution. To overcome this problem I will need to perform an acid based titration. The other problem is that the acid reagent is too concentrated as it is 2mol/dm³. This means the reaction will occur faster because there is a greater chance of a...

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