3. The electrical conductivity of another concentrated solution of the sodium salt of lactic acid at 298 K is as follows:

С × 103, mol/l… 0.154 0.347 0.630 1.622 2.829
λ × 104 cm × m2 / mol 87.89 87.144 86.91 85.87 84.87
Determine the value by plotting it from the λ- coordinates and compare it with the value found in the Onsager equation. The viscosity of water is 0.001005 Pa × s, the dielectric constant is 78.3.

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