Use of spectrophotometry to determine Ka
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This involves the use of the equation;
pH = pKa + log (activity coefficent of anion) + log (D -Dha)/(Da- - D),
from the equation it is neccesary to plot pH against log(D - Dha)/(Da- -D).
This appears to be the straight line eqn which can be solved (y = mx + c) for the function pKa + log (activity coefficient of anion).
Is this approach correct or can you give an example of how to solve?
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Solution Summary
The expert uses spectrophotometry to determine the Ka. The straight line equations are determined.
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