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A buffer containing acetic acid and sodium acetate has a pH of 5.55. The K, value for CH3CO,H is 1.80 x 10. What is the ratio of the concentration of CH3CO H to CH3CO,t? [CH,CO,H1 CH2C0, 1 = Calculate the pH of a solution that has an ammonium chloride concentration of 0.054 M and an ammonia concentration of 0.053 M. Kb = 1.8 x 10-5 pH = What is the pH of 0.35 M acetic acid to 1.00 L of...
pH of solution of acetic acid (K, - 1.8 10-5) is 3. What is concentration of the acid? 0.018 M 0.056 M 0.006 M O 1.8 M
Data Table 1 Solution A.05M Acetic Acid IA (aq) + 1,0 (1) PH : 2.90 1,0' (aq) + (aq) 15 Molarity - Initial Concentration Change quilibrium Concentration 05-x K = [H,01[A] = [x][x] [HA] [.05-x] % ionization = [H0+1*100 [HA Jinitial = [x] * 100 .05 Data Table 2 Solution B 0.025M Acetic Acid PH: 3.00 IA (aq) + 10 (1) 1:0 (aq) + (aq) 1.025 Tolarity - Initial Concentration Change Equilibrium Concentration 1.025-X K = [x][x] [0.025-x] % ionization...
Calculate the pH of an acetic acid/acetate buffer in which the concentration of acetic acid is always 0.21 M, but the concentration of sodium acetate (NaCH,COO) corresponds to the following value: 0.63 M. (K, for CH,COOH is 1.8 x 10 5.) Report your answer to three significant figures.
Calculate the pH of each of the following buffered solutions. K. (HC2H2O2) = 1.8 x 10-5 1.0.19 M acetic acid/0.23 M sodium acetate pH 2.0.23 M acetic acid/0.19 M sodium acetate PH 3. 0.070 M acetic acid/0.18 M sodium acetate PH 4.0.18 M acetic acid/0.070 M sodium acetate PH
Concentration is not given. Acetic acid (CH, COOH, K, = 5.62 x 10-5) is a weak acid, so the salt sodium acetate (CH, COONa) acts as a weak base. Calculate the pH of a 0.563 M solution of sodium acetate. pH =
0.90 0,99 You are asked to make an acetic acid (K = 1.8 x 10') buffer at pH = 4.62. What does the NaC,H,O, to HC,H,O2 concentration ratio need to be to reach this pH?
02 d) HCIO e) HCHO, K. - 1.8 x 10- 23) A buffered solution is made of 1.0M acetic acid 0.10M solution of sodium acetate. What is the pH of the solution? For acetic acid pKa = 4.7 a) 3.7 b.) 4.2 c) 4.7 d) 5.7 e) 8.3
(C))3.75 moo (D) 4.75 (E) 5.75 bios nA oir 9. Ka of acetic acid is 1.8 x 10. What is the pH of a solution 0.1M acetic acid and 0.05M sodium acetate? (A) 4.44 oasd A (B) 4.74 (C) 4.96 (D) 5.04 (E) 5.56 10. A buffer solution containing 0.5M acetic acid and 0.5M sodium acetate hais a pH ot 4.745. 5ml 2M sodium hydroxide is added to 995ml of the buffer solution. What is final pH? (A) 4.569 (C))3.75...
4. A solution is made by dissolving 15.00 grams of acetic acid and 3.25 grams of sodium acetate in 500.00 mL of water. What is the pH of the solution? The K, of acetic acid is 1.8 x 10. (Hints: First convert grams to mol and then determine the molarity of acetic acid and sodium acetate, ...) 5. What is the pH of a 2.50 molar solution of NHCl(aq)? The Ko for NH, is 1.8 x 105. 6. A certain...