Part B: pH vs Concentration of Acetic Acid a) Write a chemical equation that shows what...
A) Calculate the pH of an acetic acid solution. The concentration of acetic acid is 1.0696M and the pKa of acetic acid = 4.75. B) Calculate the pH of a sodium acetate solution of concentration 1.0401M. C) Calculate the pH of a solution made of 100 mL each of the two above solutions (200 mL total) D) Calculate the pH of a solution made of 40 mL of the solution in part C + 160 mL water (200 mL total)...
What concentration of HCl will have a pH of 5.0? b) What concentration of acetic acid will have a pH of 5.0? (For acetic acid, pKa=4.76) c) What concentration of phosphoric acid will have a pH of 5.0? (For H3PO4, pKa1 = 2.12, pKa2 = 7.21, pKa3 =12.32) d) What is the pH of a 10 mM solution of phosphoric acid? e) How much 1.0 M NaOH must be added to 100 ml of 10 mM H3PO4 to raise the...
b. Does the concentration of water change significantly when enough acetic acid is added to water to make a 0.1 M solution of acetic acid? No 5. What is the pH of a 0.1 M aqueous solution of HC H.0, which has a K -1.78 x 10.? 6. What is the pH of a 0.1 M aqueous solution of NaC,H.0.? 7. Calculate the pH of an aqueous solution containing 0.10 M HC.H.0, and 0.10 M NaC.H.O Phosphoric acid is a...
A solution of acetic acid has a pH of 2.54. What is the concentration of acetic acid in this solution? The Kaof acetic acid is 1.8 × 10-5.
Lactic acid is a simple organic acid that is somewhat stronger than acetic acid. The lactate ion is the conjugate base of lactic acid and is one product of animal (including human) metabolism. Ka for lactic acid is 1.38 x 10-4. If the resting amount of lactate in blood is 2.0 mM and typical blood pH is 7.40, what is the lactic acid concentration in blood? Calculate the pH of a 0.0100 M solution of lactic acid. Calculate the pH...
If a solution of acetic acid (K = 1.8 x 10-5) has a pH of 2.90, calculate the original (initial) concentration of acetic acid (HC,H,O) (Report your answer in 1 sig. fig. Example: .03942 would be reported as 0.04) Be sure to include a zero in front of the decimal point. QUESTION 37 5 points Save Answer The K, for benzoic acid C.H.COOH is 6.3 x 106. Calculate the equilibrium concentrations of H,0* in the solution if the initial concentration...
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...
Part A A 0.150 M weak acid solution has a pH of 2.97. Find Ka for the acid. Part B Find the percent ionization of a 0.195 M HC2H3O2 solution. (The value of Ka for HC2H3O2 is 1.8×10−5.) Part C Find the pH of a 0.0191 M solution of hypochlorous acid. (The value of Ka for hypochlorous acid is 2.9×10−8.) Part D Find the pH of a 0.014 M solution of HF. (The value of Ka for HF is 3.5×10−4.) Part...
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.
(2 points) The pH of an acetic acid solution is 3.26 . What is the concentration of acetic acid and what is the percent acid ionized?