A chemist titrates a 25.00 mL sample of 0.1041 M benzoic acid (C6H5COOH) against a 0.1000 M solution of NaOH. The overall reaction is shown by the equation below: C6​H5​COOH(aq)+NaOH(aq)C6​H5​COONa(aq)+H2​O(l) What volume of NaOH solution (in mL) is required to reach the equivalence point?  Which of the following quantities will be needed to calculate the pH at the equivalence point of the reaction? Choose one or more: total solution volume Kb for C6H5COO–[C6H5COOH]equivalencemoles C6H5COOHmoles C6H5COO– Using your answers to Parts 1 through 3, calculate the pH at the equivalence point of the reaction. Ka for C6H5COOH is equal to 6.28 × 10–5 and Kb for C6H5COO– is equal to 1.59 × 10–10. Give your answer to two places after the decimal.

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A chemist titrates a 25.00 mL sample of 0.1041 M benzoic acid (C6H5COOH) against a 0.1000 M solution of NaOH.
The overall reaction is shown by the equation below:

C6​H5​COOH(aq)+NaOH(aq)C6​H5​COONa(aq)+H2​O(l)

What volume of NaOH solution (in mL) is required to reach the equivalence point? 

Which of the following quantities will be needed to calculate the pH at the equivalence point of the reaction?
Choose one or more: total solution volume Kb for C6H5COO[C6H5COOH]equivalencemoles C6H5COOHmoles C6H5COO

Using your answers to Parts 1 through 3, calculate the pH at the equivalence point of the reaction. Ka for C6H5COOH is equal to 6.28 × 10–5 and Kb for C6H5COO is equal to 1.59 × 10–10. Give your answer to two places after the decimal.
 

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