Plan To Determine The Concentration Of A Limewater Solution

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Plan To Determine The Concentration Of A Limewater Solution

In order to determine the concentration of this limewater solution I must perform a titration (also known as volumetric analysis) between the alkali and acid given to me. In order to carry this out I must know the concentration of one of the solutions (in this case the acid, which has been given to me at 2.00 mol dm-3) and the balanced equation between my two reactants; which is:

Ca(OH)2 (aq) + 2HCl (aq) CaCl2 (s) + 2H2O (l)

For which the ionic equation would be (as with all neutralisation reactions):

OH- (aq) + H+(aq) H2O (l)

Dilution Calculations

As the concentration of my acid is 2.00 mol dm-3 I believe this will be too strong, so little will be used and my results will be more unreliable.

If I did the experiment with the 2 mol dm-3 HCl:

I will be using 25cm3 of sodium hydroxide so there would be:

1

74.1 = 0.0135 moles in 1dm3 of Ca(OH)2 as there is 1g dm-3

so the