69C50FE2-362A-4E63-87BA-65CC9885DBCD.jpeg - Question 6 0.83 1 pts A 10.0 mL sample of 0.75 M CH3CH2COOH(aq is titrated with 0.30 M NaOH(aq(adding NaOH

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Unformatted text preview: Question 6 0.83 / 1 pts A 10.0 mL sample of 0.75 M CH3CH2COOH(aq) is titrated with 0.30 M NaOH(aq) (adding NaOH to CH3CH2COOH). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture at each volume of added base. Ka of CH3CH2COOH is 1.3 x 10-5. Henderson-Hasselbalch equation: pH = pka + 10g Jacid base] NaOH CH3CH2COOH Part a): 1) After adding 18.0 mL of the NaOH solution, the mixture is [ Select ] the equivalence point on the titration curve. 2) The pH of the solution after adding NaOH is [ Select ] Part b): 3) After adding 25 mL of the NaOH solution, the mixture is at the equivalence point on the titration curve. 4) The pH of the solution after adding NaOH is 4.89. Part c): 5) After adding 30 mL of the NaOH solution, the mixture is [ Select ] the equivalence point on the titration curve. 6) The pH of the solution after adding NaOH is [ Select ] Answer 1: Correct! before Great job! You got it RIGHT! EXCELLENT Answer 2: Correct! 5.30 Great job! You got it RIGHT! EXCELLENT Answer 3: Correct! at Great job! You got it RIGHT! EXCELLENT Answer 4:...
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