1. Calculate, arrange in a table and plot the dependences of specific, equivalent conductivity and degree of dissociation on concentration and dilution based on the data given in the table.
2. Calculate the electrolyte dissociation constants for all concentrations and draw a conclusion about the subordination of the solutions to Ostwald´s dilution law.
3. Determine at what concentration the degree of dissociation of a substance in a solution is 0.1 and what is the pH of this solution.
4. Calculate the change in Helmholtz energy (ΔF0298) during dissociation.
See Tables 10-12 for task options.
Table 11
№
task V, l/mol 32 64 128 256 512 1024 λ0.104 m2/Ohm.mol-eq
Substance ρ (Ohm.m) at T=298 K
12 iso-C3H7COOH 39.02 55.17 78.53 112.78 162.54 236.49 382
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