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how would the results have changed in Ca(OH)2 solution if there had been a trace of acid impurity present in the Erlenme...

how would the results have changed in Ca(OH)2 solution if there had been a trace of acid impurity present in the Erlenmeyer flask you used (We were trying to calculate Ksp when titrating HCl solution, so I guess the results of Ca(oh)2 calculations should change.)
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H+ would react with OH- ions to neutralise,,,,,,reducing OH- concentration and thus reducing Ksp
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