Benzoic acid, C6H5COOH, dissociates in water as shown in the equation below. A 40.0 mL sample of an aqueous solution of benzoic acid with a concentration of 0.50 M is titrated using standardized 0.25 M NaOH. C6H5COOH(s) ⇄ C6H5COO–(aq) + H+(aq) Ka = 6.46 x 10–5 a.Calculate the pH of the solution after the following amounts of NaOH have been added… 0 mL 10 mL
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Benzoic acid, C6H5COOH, dissociates in water as shown in the equation below. A 40.0 mL sample of an aqueous solution of benzoic acid with a concentration of 0.50 M is titrated using standardized 0.25 M NaOH.
C6H5COOH(s) ⇄ C6H5COO–(aq) + H+(aq) Ka = 6.46 x 10–5
a.Calculate the pH of the solution after the following amounts of NaOH have been added…
-
- 0 mL
- 10 mL
- 85 mL
b. State whether the solution at the equivalence point of the titration is acidic, basic, or neutral. Explain your reasoning.
c. How many mL of 0.25 M NaOH need to be added in order to make the ideal buffer solution?
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