Problem: The graph below shows the titration curves for two monoprotic acids.What is the approximate pH at the equivalence point of each titration?

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We are asked to estimate the pH at the equivalence point for monoprotic acid A and B from the titration curve. 


titration curve is a graphical representation of the pH of a solution during a titration

The figure below shows the titration of two monoprotic acids A and B.

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Problem Details

The graph below shows the titration curves for two monoprotic acids.

A line graph has milliliters NaOH on the X-axis and pH on the Y-axis.  Curve A starts at a higher pH, increases quicker, and has a smaller increase at the equivalence point.

What is the approximate pH at the equivalence point of each titration?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Acid and Base Titration Curves concept. You can view video lessons to learn Acid and Base Titration Curves. Or if you need more Acid and Base Titration Curves practice, you can also practice Acid and Base Titration Curves practice problems.