Question

Change 1: change the solution being analyzed from a 0.1M monoprotic acid with a pKa of 4.3 to a 0.1M monoprotic acid with a pKa of 7.8 (all other aspects of experimental set up remain the same). What would you expect to happen to the buffering range observed on the titration curve? [Select] What would you expect to happen to the number of moles of NaOH needed to reach the final equivalence point? [Select] Change 2: change the concentration of the buffer solution from 0.1 M to 0.5 M (same buffering agent but different concentration; all other aspects of experimental set up remain the same). What would you expect to happen to the buffering range observed on the titration curve? [Select] What would you expect to happen to the number of moles of NaOH needed to reach the final equivalence point? [Select] Change 3: change the concentration of NaOH being used in the burette (all other aspects of experimental set up remain the same). What would you expect to happen to the buffering range observed on the titration curve? [Select] What would you expect to happen to the number of moles of NaOH needed to reach the final equivalence point? [Select]

          Change 1: change the solution being analyzed from a 0.1M monoprotic acid with a pKa of 4.3 to a
0.1M monoprotic acid with a pKa of 7.8 (all other aspects of experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]
Change 2: change the concentration of the buffer solution from 0.1 M to 0.5 M (same buffering agent
but different concentration; all other aspects of experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]
Change 3: change the concentration of NaOH being used in the burette (all other aspects of
experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]

Change 1: change the solution being analyzed from a 0.1M monoprotic acid with a pKa of 4.3 to a
0.1M monoprotic acid with a pKa of 7.8 (all other aspects of experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]
Change 2: change the concentration of the buffer solution from 0.1 M to 0.5 M (same buffering agent
but different concentration; all other aspects of experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]
Change 3: change the concentration of NaOH being used in the burette (all other aspects of
experimental set up remain the same).
What would you expect to happen to the buffering range observed on the titration curve?
[Select]
What would you expect to happen to the number of moles of NaOH needed to reach the final
equivalence point?
[Select]

Added by Lawrence P.

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