All Questions
Tagged with equilibrium titration
39
questions
5
votes
1
answer
3k
views
How to calculate the dissociation constant of a weak acid from the titration with a strong base?
Problem:
A solution of an unknown weak acid of unknown concentration was titrated with a solution of a strong base of unknown concentration. During the titration, the pH after adding $\pu{2.00 mL}$ ...
- 121
0
votes
1
answer
6k
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Determining the nature of common pH indicators (methyl orange) using Le Chatlier's principle
I got some good information about this topic yesterday, and I understood what I was told, but I have come up with a specific way of phrasing the problem I'm having. It is slightly different than ...
- 149
2
votes
1
answer
4k
views
Titration of NaOH with acetic acid
During a titration lab where 0.1 N of NaOH is added to 20 mL of acetic acid with the same concentration, the equivalence point occurred after adding about 70ish milliliters of NaOH (different peers ...
- 21
1
vote
0
answers
1k
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Does the acid dissociation constant fluctuate or stay constant during titration?
I'm doing titration experiment, where I record the volume of base added and the pH value, then use these two variable to make a titration graph. I'm suppose to extrapolate any data needed from the ...
- 299
2
votes
0
answers
139
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Titration of alpha-amino acid with strong base
Question:
$\mathrm{50~ml}$ of the conjugate acid $\ce{H3N+CH(R)COOH}$ of an $\alpha$-amino acid required $\mathrm{30~ml}$ of $\mathrm{0.1~M}~\ce{NaOH}$ to completely convert into the dipolar ion $\ce{...
- 7,804
2
votes
2
answers
37k
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Titration of H3PO4 with NaOH
I came across an ionic equilibrium problem stating:
Find the pH when 150 ml 1 M $\ce{NaOH}$ has been added to 100 ml 1 M $\ce{H3PO4}$.
I'm stuck with this question. What I know:
$$\ce{H3PO4 + NaOH ...
user14857
2
votes
2
answers
4k
views
What's happening at the beginning of a weak acid titration?
At the beginning of a Weak Acid/Strong Base titration curve there is a sharp decrease in $[\ce{H+}]$ and a sharp increase in pH before the ratio between the weak acid and it's conjugate base becomes ...
0
votes
2
answers
759
views
How to calculate the concentrations of the species in the carbonate equilibrium from a titration with hydrochloric acid? [closed]
Lake water contains dissolved sodium carbonate and sodium hydrogen carbonate. The following equilibrium exists:
\begin{align}
\ce{HCO3- &<=> H+ + CO3^{2-}}&
\frac{\ce{[CO3^{2-}]}}{\ce{...
- 9
4
votes
1
answer
3k
views
Adjusting the ph of salicylic acid using sodium hydroxide
Question
How many milliliters of $0.202\ \mathrm M$ NaOH should be added to $25.0\ \mathrm{mL}$ of $0.0233\ \mathrm M$ salicylic acid to adjust the $\mathrm{pH}$ to $3.50$?
The answer from the ...
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