All Questions
5
questions
-1
votes
1
answer
148
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pH and degree of dissociation of drugs
I have a doubt, i hope not so stupid.
Suppose we consider a buffer solution of acetic acid/acetate at pH = pKa = 4.76 and we add aspirin (pKa = 3.5): given that the pH of the solution is higher than ...
- 127
2
votes
1
answer
932
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In the graph provided, which of the substances is the most efficient in acting as an antacid?
If every dot represents the addition of 0.1 g of the respective base. I suppose that the best would be the one that reaches the highest pH, in the shortest time, for example Calcium Carbonate, but if ...
-3
votes
1
answer
1k
views
Ph of acid would be one? [closed]
I am interested in the chemical lsd or "acid". I wanted to know if lsd is acid in its pure form would that mean it is water?
- 13
3
votes
0
answers
220
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How much hydrolysis will likely occur of the following bonds at pH 1-4 in the time period of 1-3 hours?
The bonds are: (I have given pictures of what I mean in case there's any ambiguity that I leave open in these questions. Also so that if you want to number the R groups you've got a head-start)
...
- 2,461
1
vote
2
answers
2k
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What is the importance of using a pKa value instead of a pKb value when describing drug chemistry?
Why do we only consider the $\mathrm{p}K_\text{a}$ value of a drug regardless of whether it is an acid or base? Why do we not use the $\mathrm{p}K_\text{b}$ value?
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