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01-12-2022
Chemistry

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6. a. You perform a titration using phenolphthalein indicator to determine the concentration of an
unknown acid (HA)(aq). When titrating with 0.5 M NaOH, you find the endpoint of a 10 mL sample
of HA (aq) after 7.6 mL of NaOH is dispensed from the buret. What is the concentration of HA(aq)? (6
pt)
HA + OH A + H₂O

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