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Chemistry
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12. The volume required to reach the equivalence point of an acid- base titration depends on the volume and concentration of the acid or base to be titrated and on the concentration of the acid or base used to do the titration. It does not, however, depend on whether or not the acid or base being titrated is strong or weak. Explain.

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Related questions

Sketch the titration curve for a weak acid titrated by a strong base. When performing calculations concerning weak acid–strong base titrations, the general two-step procedure is to solve a stoichiometry problem first, then to solve an equilibrium problem to determine the pH. What reaction takes place in the stoichiometry part of the problem? What is assumed about this reaction?

At the various points in your titration curve, list the major species present after the strong base (NaOH, for example) reacts to completion with the weak acid, HA. What equilibrium problem would you solve at the various points in your titration curve to calculate the pH? Why is pH is greater than 7.0 at the equivalence point of a weak acid-strong base titration? Does the pH at the halfway point to equivalence have to be less than 7.0? What does the pH at the halfway point equal? Compare and contrast the titration curves for a strong acid–strong base titration and a weak acid–strong base titration.

Sketch the titration curve for a weak acid titrated with a strong base.

 

When performing calculations concerning weak acid-strong base titrations, the general two-step procedure is to solve a stoichiometry problem first, then to solve an equilibrium problem to determine the pH. What reaction takes place in the stoichiometry part of the problem? What is assumed about this reaction?

At the various points in your titration curve, list the major species present after the strong base (NaOH), for example reacts to completion with the weak acid, HA. What equilibirum problem would you solve at the various points in your titration curve to calculate pH? Why is pH at> 7.0 at the equivalence point of a weak acid-strong base titration? Does the pH at halfway poin the equivalence point have to be less than 7.0? what does the pH at the half-way point equal? Compare and contrast the titration curves for a strong acid-strong base titration and a weak acid-strong base titration.

Suppose 50.0 mL of an aqueous solution containing an unknown monobasic weak base (called B) is titrated with 0.150 M HCl. The titration requires 38.02 mL of the hydrochloric acid solution to reach the equivalence point. What is the concentration (in molarity) of the unknown base solution?

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