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You have 20.0000 mL of a solution of hydroiodic acid of unkown concentration. Ypu add few drops of phenolphthalein indicator to it and titrate it...

You have 20.0000 mL of a solution of hydroiodic acid of unkown concentration. Ypu add few drops of phenolphthalein indicator to it and titrate it with 37.5 mL of 0.15M NaOH, when it turns pink. Calculate the moles of base used, the moles of acid and the concentration of the original acid solution. (Hint: Show a balanced chemical equation first)

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Dear Student, Sol: HI + NaOH -> NaI + H2O Moles of NaOH =... View the full answer

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