All Questions
Tagged with acid-base experimental-chemistry
124
questions
5
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answers
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Comparison of acids to dissolve phosphates
I am currently reading this German paper on the dissolution of phosphates by acids and chelants.
The authors do a "fast-test" of the dissolving power of different acids which goes as follows:...
60
votes
4
answers
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Why add water first then acid?
From school, I remember a very important rule: first you need to pour the water and then the acid (when you need to mix them) not vice-versa. This is because otherwise the aсid becomes very hot and ...
2
votes
1
answer
298
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How would I neutralize a PEP (Phosphoenolpyruvic) acid?
PEP (Phosphoenolpyruvic acid) is acidic but I need to make it neutral. I need a solution (pH 6-8) of PEP in a final 1 mL volume with a concentration of 100 mM.
How would I make this?
8
votes
2
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Why are strong acids and bases not suitable as primary standards?
This is one of the questions with which I have puzzled over, and can arrive at no definite conclusion. Why are strong acids or bases, such as $\ce{H2SO4}$,$\ce{ HNO3}$, $\ce{HCl}$, and $\ce{NaOH}$ not ...