−8, 298 • 10⁻⁵x + 0, 00808 = −2, 599 • 10⁻⁴x + 0, 00924

−8, 298 • 10⁻⁵x + 2, 599 • 10⁻⁴x = 0, 00924 − 0, 00808

1, 769 • 10⁻⁴x = 0, 00116

x = 6, 56

−8, 825 • 10⁻⁵x + 0, 00828 = −2, 741 • 10⁻⁴x + 0, 00954

−8, 825 • 10⁻⁵x + 2, 741 • 10⁻⁴x = 0, 00954 − 0, 00828

1, 858 • 10⁻⁴x = 0, 00126

x = 6, 78

$$\text{CMC}_{\text{tablicowe}} = 9\frac{\text{mol}}{m^{3}}$$

$$\text{CMC}_{srednie} = \frac{6,56 + 6,78}{2} = 6,67\frac{\text{mol}}{m^{3}}$$