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5
questions
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votes
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Why should the pH change when I add sodium hydroxide to water? [closed]
I am a student and I am trying to understand the concept of pH.
If I add pure $\ce{NaOH}$ in water, it leads to the formation of $\ce{OH-}$ ions in the water. But this shouldn't lead to any change in ...
1
vote
2
answers
925
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Calculation of pH in acid base reaction
This problem(from ionic equiibrium) states:
We are given $\pu{40 mL}$ of $\pu{0.1 M}$ $\ce{HCl}$ and $\pu{10 mL}$ of $\pu{0.45 M}$ $\ce{NaOH}$ in two separate beakers. These two solutions are mixed. ...
- 147
6
votes
1
answer
2k
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Calculating pH in titration of monoprotic weak acid with strong base
$25.0\:\mathrm{ml}$ of $0.10\:\mathrm{M}$ $\ce{CH3COOH}$ is titrated with $0.10\:\mathrm{M}$ $\ce{NaOH}$. What is the $\mathrm{pH}$ after the addition of $30.0\:\mathrm{ml}$ $\ce{NaOH}$?
In broad ...
- 171
8
votes
2
answers
7k
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How to calculate the pH of an acetic acid/ calcium acetate buffer?
Problem:
A buffer was made by mixing $\pu{500 mL}$ of $\pu{1 M}$ acetic acid and $\pu{500 mL}$ of $\pu{0.5 M}$ calcium acetate.
What are the resulting concentrations of acetic acid (henceforth ...
- 81
2
votes
1
answer
30k
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How to calculate the volume of a sodium hydroxide solution necessary to add to water, to raise the pH to a certain value?
What volume of $\pu{0.300N}\, \ce{NaOH}$ would be needed to bring $\pu{16.0 mL}$ of distilled water that has a $\mathrm{pH}$ of $7.00$ to a new $\mathrm{pH}$ of $12.42$?
This is my attempt at a ...
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