Water Transfer
Chemistry help!? Water Hardness.?
5.06g of EDTA was dissolved in 100mL of deionised water, transferred to a 1L volumetric flask and made up to the mark.
When this solution was placed in a burette and titrated against 100mL aliquots of tap water, the average titre result was 6.5ml.
Show the steps in order to Calculate the concentration of
‘water hardness’ in this tap water, in ppm.
(hint : calculate the concn of the EDTA, first
your screwed
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