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A 1.00 Gram sample of an unknown acid is dissolved in water and titrated with 0.150 N KOH to the Phenolphthalein endpoint. It takes 28.32mL of base to complete this titration. A second sample of this acid weighing 2.00 grams is added to the titrated sample and the pH is 4.32. Calculate the molar mass of the unknown acid and determine the value of Ka for this acid.

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Category:- Chemistry
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