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- Homework Statement
- calculate the concentration of the acid, HA.

- Relevant Equations
- not too sure

**Use the equivalence volume from the pH curve to calculate the concentration of the acid, HA.**

I'm not sure which equation to use or how to approach this question (Attached).

Please elaborate on the steps on how to answer the question.

I'm not sure which equation to use or how to approach this question (Attached).

Please elaborate on the steps on how to answer the question.

Thank you!