36. Solution to Chemistry Problem

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• 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.
• Calculate the electrolyte dissociation constants for all concentrations and draw a conclusion about the subordination of the solutions to Ostwald's dilution law.
• 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.
• 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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