Lactic acid (CH3 - CH(OH) - COOH) is a weak acid and therefore a weak electrolyte.found in "cut milk". The freezing point of an aqueous solution 0.01 m of lactic acid is 0.0206 ºC. Knowing that in aqueous solution the following equilibrium occurs:CH3 -CH(OH) -COOH(ac)  = CH3 -CH(OH) -COO(-)(ac) + H(+)(ac)and that, therefore, there are three species (solutes) in solution, calculate their percentage of ionization.

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Lactic acid (CH3 - CH(OH) - COOH) is a weak acid and therefore a weak electrolyte.
found in "cut milk". The freezing point of an aqueous solution 0.01 m of lactic acid is 0.0206 ºC. Knowing that in aqueous solution the following equilibrium occurs:
CH3 -CH(OH) -COOH(ac)  = CH3 -CH(OH) -COO(-)(ac) + H(+)(ac)
and that, therefore, there are three species (solutes) in solution, calculate their percentage of ionization.

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