PLEASE HELP
2 answers:
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Answer:
pKa = 9
Explanation:
In this case, we have to remember the meaning of "p". When we use "p" in any calculation we have to apply the minus ten based logarithm, so:
For example, when we use the "pH" value. We have to apply the minus ten based logarithm of the concentration of the hydronium ion:
So, if we have wanted to calculate the pKa value. We have to apply the minus ten based logarithm of the Ka value, so:
Now we can plug the value into the equation:
<u>The pKa value is 9.</u>
I hope it helps!