Dissociation constant of propionic acid at twenty five degree Celsius is 1.34 x 10^-5. Evaluate the degree of dissociation & pH om 0.1M acid.
Solution: degree of dissociation=0.115 = pH=2.93
Breaking of a chemical compound into simpler constituents as a result of added energy, as in the case of gaseous molecules dissociated by heating; also, the effect of a solvent on a dissolved polar compound electrolyte, as in the case of an inorganic salt, like sodium chloride, dissolved in water. All electrolytes dissociate into ions to a greater or lesser extent in polar solvents in that the molecules are electric dipoles. The degree of dissociation can be applied to determine the equilibrium constant. Dissociation is applied to explain electrical conductivity & many other properties of electrolytic solutions.
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