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![h Ka = 13x10?, pka = 7 log (1-3)=689 (8 pH (pka log c) = ₂ (6.89-log (63)) = 3.71 - pH _ 14-3.71 polt - 10.29 ® [1] = 1029 =](http://img.homeworklib.com/questions/fa9b11a0-32cc-11ec-9853-8d24dcb04223.png?x-oss-process=image/resize,w_560)
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A weak acid has an initial concentration of 0.3 M (K = 1.3 x 10-7) A)...
Question HA is a weak acid. Its ionization constant, K, is 3.0 x 10) Calculate the...
Question HA is a weak acid. Its ionization constant, K, is 3.0 x 10) Calculate the pH of an aqueous solution with an initial NaA concentration of 0.060 M. Question 2 We place 0.150 mol of a weak acid, HA, in enough water to produce 100L of solution. The final pH of the solution is 1.18. Calculate the ionization contant, K., HA. Question We place 0.607 mol of a weak acid, HA, and 13.9 g of NaOH in enough water...
If a solution of acetic acid (K = 1.8 x 10-5) has a pH of 2.90,...
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...
If the K, of a monoprotic weak acid is 1.3 x 10 , what is the pH of a 0.27 M solution of this acid? pH =
If the K, of a monoprotic weak acid is 1.3 x 10 , what is the pH of a 0.27 M solution of this acid? pH =
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues....
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues. In a 1.00 Maqueous solution 2.94% of lactic acid is ionized. What is the value of its ka? 2. At equilibrium of (H') in a 0.250 M solution of an unknown acid is 4.07 x 10 M. Determine the degree of ionization and the Ka of this acid. 3. The venom of biting ants contains formic acid, HCOOH, Ka = 1.8 x 10-Mat 25°C....
Data Table 1 Solution A.05M Acetic Acid IA (aq) + 1,0 (1) PH : 2.90 1,0'...
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...
please help with numbers 7, 8 and 9 showing work 7. If H.PO, has K. -6.83 x 10', and H.CO, has K, -5.8 x 10", which...
please help with numbers 7, 8 and 9 showing work
7. If H.PO, has K. -6.83 x 10', and H.CO, has K, -5.8 x 10", which is the weaker acid? Circle your answer and explain how you know. (pt) 8. For a solution with pH = 9.74, calculate the following: 3ps) [OH) = pOH - 9. (pes total) a. A solution of a weak acid with concentration - 0.11 M. is 8.8 % ionized. Calculate its K, value b. Calculate...
Consider a 0.49 M solution of HNO, nitrous acid (K, = 4.0 x 10-4). Mark the...
Consider a 0.49 M solution of HNO, nitrous acid (K, = 4.0 x 10-4). Mark the major species in the solution. ΒΗΝΟ, NO2 H20 OH Complete the following ICE Table (in terms of "x", the amount of nitrous acid which dissociates). Minus signs must be included, omit positive signs and omit molarity units (they are assumed). [HNO21 [H" [NO2) Initial Change Equilibrium 0.49 - X What is the equilibrium concentration for NO2 [NO2) = Calculate the pll of the solution....
A certain weak acid, HA, has a Ka value of 1.3×10−7. Calculate the percent ionization of...
A certain weak acid, HA, has a Ka value of 1.3×10−7. Calculate the percent ionization of HA in a 0.010 M solution.
7. If H,PO, has K, -6.83 x 10, and Hco, has K,-5.8x 10", which is the...
7. If H,PO, has K, -6.83 x 10, and Hco, has K,-5.8x 10", which is the weaker acid? Circle your answer and explain how you know. (Ipt 8. For a solution with pH 9.74, calculate the following: (3pa) [H'] [OH] pOH- 9. (2pas total) a. A solution of a weak acid with concentration 0.11 M. is 8.8 % ionized. Calculate its K, value. K, b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with [H']...
6. A0.68 M solution of a weak acid HA is 0.35 % ionized. What are the...
6. A0.68 M solution of a weak acid HA is 0.35 % ionized. What are the H, A, and HA concentrations at equilibrium? What is K? 7. The K, for glyoxylic acid, HC HO, is 6.6 x 104. What is the pH of a 0.45 M solution of the acid? What is the % ionization of the acid at this concentration?
Question HA is a weak acid. Its ionization constant, K, is 3.0 x 10) Calculate the pH of an aqueous solution with an initial NaA concentration of 0.060 M. Question 2 We place 0.150 mol of a weak acid, HA, in enough water to produce 100L of solution. The final pH of the solution is 1.18. Calculate the ionization contant, K., HA. Question We place 0.607 mol of a weak acid, HA, and 13.9 g of NaOH in enough water...
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...
If the K, of a monoprotic weak acid is 1.3 x 10 , what is the pH of a 0.27 M solution of this acid? pH =
Worksheet Week 10 Name: 1. During strenuous exercise lactic acid builds up in a muscle tissues. In a 1.00 Maqueous solution 2.94% of lactic acid is ionized. What is the value of its ka? 2. At equilibrium of (H') in a 0.250 M solution of an unknown acid is 4.07 x 10 M. Determine the degree of ionization and the Ka of this acid. 3. The venom of biting ants contains formic acid, HCOOH, Ka = 1.8 x 10-Mat 25°C....
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...
please help with numbers 7, 8 and 9 showing work
7. If H.PO, has K. -6.83 x 10', and H.CO, has K, -5.8 x 10", which is the weaker acid? Circle your answer and explain how you know. (pt) 8. For a solution with pH = 9.74, calculate the following: 3ps) [OH) = pOH - 9. (pes total) a. A solution of a weak acid with concentration - 0.11 M. is 8.8 % ionized. Calculate its K, value b. Calculate...
Consider a 0.49 M solution of HNO, nitrous acid (K, = 4.0 x 10-4). Mark the major species in the solution. ΒΗΝΟ, NO2 H20 OH Complete the following ICE Table (in terms of "x", the amount of nitrous acid which dissociates). Minus signs must be included, omit positive signs and omit molarity units (they are assumed). [HNO21 [H" [NO2) Initial Change Equilibrium 0.49 - X What is the equilibrium concentration for NO2 [NO2) = Calculate the pll of the solution....
7. If H,PO, has K, -6.83 x 10, and Hco, has K,-5.8x 10", which is the weaker acid? Circle your answer and explain how you know. (Ipt 8. For a solution with pH 9.74, calculate the following: (3pa) [H'] [OH] pOH- 9. (2pas total) a. A solution of a weak acid with concentration 0.11 M. is 8.8 % ionized. Calculate its K, value. K, b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with [H']...
6. A0.68 M solution of a weak acid HA is 0.35 % ionized. What are the H, A, and HA concentrations at equilibrium? What is K? 7. The K, for glyoxylic acid, HC HO, is 6.6 x 104. What is the pH of a 0.45 M solution of the acid? What is the % ionization of the acid at this concentration?
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