7. The specific electrical conductivity of a solution of ethylamine C2H5NH2 with a dilution of 16 l / mol at 298K is 1.312 * 10-2 Sm / m, the limiting molar electrical conductivity is 232.6 * 10-4 Sm * m2 / mol.
Find the degree of dissociation of ethylamine, the dissociation constant, and the pH of the solution. At what concentration of ethylamine is the concentration of hydroxide ions in the solution equal to 0.01 mol/l?

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