Answer to Question #285786 in Physical Chemistry for rajachowdary

Physical Chemistry

Question #285786

Determine the total hardness of a water sample. Given

Volume of EDTA consumed for 20ml of standard hard water (V1) = 17.3 ml

Volume of EDTA consumed for 20ml of the sample hard water (V2) = 15.8 ml

Expert's answer

20-17.3=2.7

20-15.8= 4.2

= 2.7+4.2= 6.9

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