The Question reads. Consider your answers tocalculations of titrating which was

Question

The Question reads. Consider your answers tocalculations of titrating which was (predict the volume needed toneutralize 10.00 ml of the 0.001 M glycolic acid solution and theother was the same question but using Nitric acid solution both ofmy answers were the exact same 1.22 x 10-4 LHC2H3O3) Explain why sodiumhydroxide volumes needed to titrate the dilute nitric acid andglycolic acid are basically the same, or why they are verydifferent. Shouldn't the stronger nitric acid require moresodium hydroxide to neutralize it than the glycolic acidexplain? I don't understand this at all? The only thing that Ican think of is that the soium hydroxide volumes are the same dueto sodium hydroxide concentraions being a strong base on all of theacid. The Question reads. Consider your answers tocalculations of titrating which was (predict the volume needed toneutralize 10.00 ml of the 0.001 M glycolic acid solution and theother was the same question but using Nitric acid solution both ofmy answers were the exact same 1.22 x 10-4 LHC2H3O3) Explain why sodiumhydroxide volumes needed to titrate the dilute nitric acid andglycolic acid are basically the same, or why they are verydifferent. Shouldn't the stronger nitric acid require moresodium hydroxide to neutralize it than the glycolic acidexplain? I don't understand this at all? The only thing that Ican think of is that the soium hydroxide volumes are the same dueto sodium hydroxide concentraions being a strong base on all of theacid.

Explanation / Answer

The volume of base required to neutralize an acid is dependenton the moles of acid present whether weak or strong. So when the moles of both acids are same, the moles of baserequired to neutralize them will also be the same. This is the reason both of the volumes are the same.          The onlydifference in titrating a strong and a weak acid is the pH atequivalence point. When both acid and base are strong, the pH =7.But when acid is weak, the pH is greater than 7 (basic solution) atequivalence point.

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