3. Using the following table data for HCOOH,
C, mol/l 0.1 0.05 0.03 0.01 0.005 0.003 0.001
р*10-3, Ohm*m 6.06 8.91 10.3 18.2 25.9 35.8 68.5
1) attach a graph of the dependence of specific and equivalent electrical conductivity on dilution for a solution of formic acid; 2) check whether the solutions of the acid in water obey Ostwald's dilution law; 3) calculate λ0 from the dependence of equivalent electrical conductivity on concentration.

The problem statement is written with an error: the factor 10-3 should not be used in the row of specific resistances.

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