the end point for a titration can be determined graphically. the end point volum
ID: 1059346 • Letter: T
Question
the end point for a titration can be determined graphically. the end point volume for a second derivative plot corresponds to
A. the volume titrant added where the second derivative curve crosses the x-axis.
B. the volume titrant added where the second derivative curve has maximum slope.
C. the volume titrant added where the second derivative crosses the Y-axis.
D. the volume tirant added where the second derivative curve has minimum slope.
E. the volume titrant added where the second derivative curve has a maximum negative slope.
Explanation / Answer
2nd derivative is the test for concavity
Since end point is the point where the titration curve chnages its concavity, double derivative will be 0 at the end point
Answer:
A. the volume titrant added where the second derivative curve crosses the x-axis.
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