Which acid was used to get this graph?

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Discussion Overview

The discussion revolves around identifying the acid used to generate a specific titration graph, with a focus on the implications of initial pH and the characteristics of the titration curve. Participants explore the relationship between the strength of the acid and base involved, as well as the expected pH at the equivalence point.

Discussion Character

  • Homework-related, Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests that if a strong base is added to a weak acid, the resulting titration curve would not be strong, leading them to eliminate acetic acid as a possibility.
  • Another participant questions the implications of an initial pH of 1, asking what it indicates about the concentration of H+ and the acid concentration.
  • A participant asserts that the concentration of H+ is 0.1 M, proposing that this leads to the conclusion that option D is correct.
  • There is a correction from a participant who initially stated D but later clarifies that they meant C, indicating some confusion regarding the options.

Areas of Agreement / Disagreement

Participants express differing views on which option is correct, with some supporting option C and others initially suggesting D. The discussion remains unresolved as participants correct and refine their claims without reaching a consensus.

Contextual Notes

There are assumptions regarding the type and molarity of the base used, which are not explicitly stated. The discussion also reflects uncertainty about the interpretation of the graph's shape after the equivalence point.

TT0
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Homework Statement


Screen Shot 2016-07-04 at 1.57.35 PM.png


Homework Equations

The Attempt at a Solution


I chose C as if a strong "something" is added to a weak "something" then you won't get a strong curve. So acetic acid will be eliminated. If D or E was added, the equivalence point should have pH of 7 or less. Therefore I chose C. Is this correct? As the type of base and molarity of it is not indicated, I assumed it was NaOH and 1 M.

Cheers!
 
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Initial pH of 1 - what does it tell you about the concentration of the H+? About concentration of the acid?

Actually the shape of the curve (especially after the equivalence point) is wrong.
 
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This means the concentration of H+ is 0.1 M. Therefore D is the answer, right? So I guess the base and the graph curve aren't needed, only the initial pH.

Thanks!
 
TT0 said:
the concentration of H+ is 0.1 M. Therefore D is the answer

D, which says "1M"?
 
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Whoops, I meant C. Sorry and thanks!
 

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