Solution

Different Experiences

Volume of titrant solution poured in ml

Volume of the titrated solution (water)

Volume of the titrated solution at equivalence

Concentration of the EDTA titrant solution

Total Hardness

Experience 1

0.6

10

10.6

0.01N

Experience 2

0.6

10

10.6

Experience 3

0.6

10

10.6

Experience 4

1.2

10

11.2

Experience 5

1

10

11

Experience 6

1.1

10

11.1

Experience 7

1.1

10

11.1

Experience 8

1.1

10

11.1

Experience 9

1.1

10

11.1

Average number of readings

0.93

10.00

10.93