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For questions relating to compounds dissolved in water and resulting reactions and acid-base equilibria.

3 votes

Solution for storing a glass electrode

A glass electrode is usually stored in a 3 or 4M KCl solution, depending on whatever the manufacturer advices you to do. But the pH that you measure from this solution is absolutely not the pH. It's …
pH13 - Yet another Philipp's user avatar
9 votes
1 answer
762 views

Why is the water solubility of CO worse than that of CO2?

I tried my best to ask SciFinder, Google, and Google Scholar the wrong questions ... I found many paper on the fitting of the solubility to some equations to be able to calculate the amount of $\ce{CO …
pH13 - Yet another Philipp's user avatar
4 votes
Accepted

Getting the wrong pH value, according to data and online calculator

As you can see from the point that $n_\ce{OH} > n_\ce{AcOH}$, there will be an excess of hydroxide ions. What you want to calculate is the pH for this amount of hydroxide ions within the total volume …
pH13 - Yet another Philipp's user avatar