Volume of L/cm³

Volume of Fe²⁺/cm³

Volume of solvent (metha-nol)/cm³

Final concentration of Fe²⁺/mol∙dm⁻³

0.3

0.40

9.30

8 × 10⁻⁶

0.3

0.30

9.40

6 × 10⁻⁶

0.3

0.20

9.50

4 × 10⁻⁶

0.3

0.10

9.60

2 × 10⁻⁶

0.3

0.00

9.70

0