5) What is the pH after 13.35 mL of 0.10 M KOH is added to 26.70 mL of 0.05 M H2C2O4 (Ka = 5.9 x 10-2)? 5) A) 7.12 B) 1.35 C) 6.88 D) 7.82 E) 7.00
Please show your work
24. 50.00 mL of 0.10 M CH3COOH (Ka = 1.8 x 10-5) is titrated with a 0.10 M KOH solution. After 50.00 mL of the KOH solution is added, the pH in the titration flask will be A) 4.28 B) 8.72 C) 9.41 D) 11.24 E) 12.08 [Kb = 5.6 x 10-10 for acetate ion] 0.0025 - 0.25 .
4) A 100.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution after the addition of 200.0 mL of KOH. The Ka of HF is 3.5 x 10-4. A) 10.54 B) 8.14 C) 9.62 D) 7.00 E) 3.46
A 100.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution after the addition of 100.0 mL of KOH. The Ka of HF is 3.5 x 10-4 A) 2.08 B) 3.15 C) 4.33 D) 3.46 E) 4.15
please help, and show steps if possible A chemist titrates 75.0 mL of 0.10 M HN3 (Ka = 2.5x10-5) with a 0.10 M KOH solution. Calculate the pH in the flask after 50.00 mL of the KOH solution is added. Enter your answer WITH TWO DECIMAL PLACES, or it will be marked incorrect! Which of the following acids would be the best to use to prepare a buffer with a pH of 5.45? C5H505COOH Ka = 4.0x10-6 CH3COOH Ka =...
25. 50.00 mL of 0.10 M CH3COOH (Ka = 1.8 x 10") is titrated with a 0.10 M KOH solution. After 75.00 mL of the KOH solution is added, the pH in the titration flask will be A) 9.31 B) 9.18 C) 9.52 D) 11.63 E) 12.30
Find the pH of a solution prepared by adding 1.0 L of 0.10 M butyric acid to 0.50 L of 0.10 M NaOH. (Ka = 1.5 x 10-5) A. 12.69 B. 7.00 C. 2.41 D. 4.82 E. 13.35
A 160.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution after the addition of 320.0 mL of KOH. The Ka of HF is 6.8 × 10-4.
A 110.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution after the addition of 440.0 mL of KOH. The Ka of HF is 6.8 × 10-4.
A 110.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution after the addition of 440.0 mL of KOH. The Ka of HF is 6.8 × 10-4.
25 mL of 0.10 M acetic acid is titrated with 0.10 M NaOH. What is the pH after 30 ml of NaOH have been added? Ka for acetic acid = 1.8 x 10^-5.