All Questions
3
questions
10
votes
4
answers
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What is the real pKa of water?
What is the $\text{p}K_\text{a}$ of water? A simple google search yields the value $15.74$, but this site and this paper say it's $14.0$.
According to my understanding, the correct answer should be $...
3
votes
1
answer
499
views
How was the dissociation constant of water determined?
I was studying about pH and pOH of different acids and bases and I read about the dissociation constant of water ($\ce{H2O}$).
It turned out to be $1.00 \cdot 10^{-14}\ \mathrm{mol^2\cdot L^{-2}}$ ...
1
vote
1
answer
2k
views
How to change color of water based on its acidity?
I recently saw a video on YouTube in which water, when mixed with a solution (I believe iodine was involved,) changed color based on its acidity. I am attempting to replicate this experiment, but ...