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The degree of dissociation is the fraction of the original solute molecules that have dissociated. It is usually indicated by the Greek symbol α {\displaystyle \alpha } . There is a simple relationship between this parameter and the van 't Hoff factor.
The dissociation degree is the fraction of original solute molecules that have dissociated. It is usually indicated by the Greek symbol α. It is usually indicated by the Greek symbol α. More accurately, degree of dissociation refers to the amount of solute dissociated into ions or radicals per mole.
Thus, the degree of dissociation of a weak electrolyte is proportional to the inverse square root of the concentration, or the square root of the dilution. The concentration of any one ionic species is given by the root of the product of the dissociation constant and the concentration of the electrolyte.
b c is the colligative molality, calculated by taking dissociation into account since the boiling point elevation is a colligative property, dependent on the number of particles in solution. This is most easily done by using the van 't Hoff factor i as b c = b solute · i , where b solute is the molality of the solution. [ 3 ]
The degree of dissociation α (also known as degree of ionization), is a way of representing the strength of an acid. It is defined as the ratio of the number of ionized molecules and the number of molecules dissolved in water.
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Due to the increase in concentration of H + ions from the added HCl, the equilibrium of the dissociation of H 2 S shifts to the left and keeps the value of K a constant. Thus the dissociation of H 2 S decreases, the concentration of un-ionized H 2 S increases, and as a result, the concentration of sulfide ions decreases.
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