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C,HSCOOH (s) E→ CH&COO (aq) + H (aq) K, = 6.46 x 10 1. Benzoic acid, CoH,COOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 M NAOH. a. After addition of 15.0 mL of the 0.150 M NAOH, the pH of the resulting solution is 4.37. Calculate cach of the following. i. [H'"] in the solution ii. [OH J in the solution iii. The number of moles of NaOH added TL

C,HSCOOH (s) E→ CH&COO (aq) + H (aq) K, = 6.46 x 10 1. Benzoic acid, CoH,COOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 M NAOH. a. After addition of 15.0 mL of the 0.150 M NAOH, the pH of the resulting solution is 4.37. Calculate cach of the following. i. [H'"] in the solution ii. [OH J in the solution iii. The number of moles of NaOH added TL

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 28PS: Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.00 ...
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C,HSCOOH (s) E C.H&COO (aq) + Ht (aq) K. = 6.46 x 10s 1. Benzoic acid, CsHsCOOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 M NAOH. a. After addition of 15.0 mL of the 0.150 M NaOH, the pH of the resulting solution is 4.37. Calculate each of the following. i. [H"] in the solution ii. [OH' ] in the solution iii. The number of moles of NaOH added iv. The number of moles of CsHsCoOl (aq) in the solution V. The number of moles of CoHsCOOH in the solution b. State whether the solution at the equivalence point of the titration is acidic, basic, or neutral. Explain your reasoning
Transcribed Image Text:C,HSCOOH (s) E C.H&COO (aq) + Ht (aq) K. = 6.46 x 10s 1. Benzoic acid, CsHsCOOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 M NAOH. a. After addition of 15.0 mL of the 0.150 M NaOH, the pH of the resulting solution is 4.37. Calculate each of the following. i. [H"] in the solution ii. [OH' ] in the solution iii. The number of moles of NaOH added iv. The number of moles of CsHsCoOl (aq) in the solution V. The number of moles of CoHsCOOH in the solution b. State whether the solution at the equivalence point of the titration is acidic, basic, or neutral. Explain your reasoning
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