Homework Answers
![solution Let (9) (0) the weak acid HA and HA H+ + A- dissociate into given (c) concentration of HA = 0.11M SHA] =0.11M we kno](http://img.homeworklib.com/questions/02501f30-77e5-11ea-b5ae-8157e1f2d1a9.png?x-oss-process=image/resize,w_560)
![96) Let HA is monoprotic into and and dissociate HA - H+ + A- Given concentration of [HA] = 0.060M concentration of (**) = 27](http://img.homeworklib.com/questions/038511a0-77e5-11ea-84dd-79f461b37ea1.png?x-oss-process=image/resize,w_560)
![We know that- Ka= [H +] [A-] [HA = (27x1012) (27x1072) 0.06 ka = 7.29410-24 0.06 ka = 1.22x10-22 Abs ka = 1.22x10-22](http://img.homeworklib.com/questions/04326060-77e5-11ea-9b3b-a57ed710bcd0.png?x-oss-process=image/resize,w_560)
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...
9. (2pts total) a. A solution of a weak acid with concen its K, value. with...
9. (2pts total) a. A solution of a weak acid with concen its K, value. with concentration = 0.11 M. is 8.8 % ionized. Calculate K,= b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with H
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']...
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H]...
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H] = 8.8 x 10-'M? pH = B. What is the hydroxide ion concentration, (OH), in an aqueous solution with a hydrogen ion concentration of [H+] = 8.8 x 10-'M? [OH-] = C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) =H(aq) + (aq) The equilibrium concentrations of the reactants and products are [HA] = 0.300 M, H+] = 4.00...
28. An initially 1.8 M aqueous solution of a weak monoprotic acid has a total ion...
28. An initially 1.8 M aqueous solution of a weak monoprotic acid has a total ion concentration has a total ion concentration of 8.45 x 10-3 M when equilibrium is established. What is the acid-ionization constant, K of the weak acid? (assume n a. 3.3 x 10-2 b. 6.8 x 10-2 c. 1 x 10-5 d. 7.1 x 10-5 e. 2.7 x 100
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H...
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H 20 x 10-'M? pH = B. What is the hydroxide ion concentration, OH"), in an aqueous solution with a hydrogen ion concentration of (H) = 2.0 x 10-'M? [OH-] = C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) H(aq) + A+ (aq) 3.00 x 10-M, and The equilibrium concentrations of the reactants and products are (HA) = 0.140...
please help me with these questions! At a concentration of 1 M, the weak acid HNO,...
please help me with these questions!
At a concentration of 1 M, the weak acid HNO, is 2% ionized, and the pH of the solution is 1.7. What happens when KNO,() is dissolved into the solution? The extent of HNO, ionization The concentration of H+ The pH If a buffer solution is 0.260 M in a weak acid (K, = 6.0 x 10 ) and 0.500 M in its conjugate base, what is the pH? A 0.194 g sample of...
K.- b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with...
K.- b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with (H) - 27 x 10" M. K,
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....
Module 10 Homework Refer to the table at the beginning of the section for K. and...
Module 10 Homework Refer to the table at the beginning of the section for K. and K. values. 77 x 10-M Ba(OH), solution? What is the 1. What is the H.O ion concentration pH? 2. Calculate the OH ion concentration of a 6.2 x 10' M HNO, solution. 3. Calculate the pH of an aqueous solution containing 6.02 x 10 H,O' ions per liter. 4. Calculate the pH of a 1.2 M HCN solution. K.-4.9 x 100 for HCN 5....
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...
9. (2pts total) a. A solution of a weak acid with concen its K, value. with concentration = 0.11 M. is 8.8 % ionized. Calculate K,= b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with H
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']...
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H] = 8.8 x 10-'M? pH = B. What is the hydroxide ion concentration, (OH), in an aqueous solution with a hydrogen ion concentration of [H+] = 8.8 x 10-'M? [OH-] = C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) =H(aq) + (aq) The equilibrium concentrations of the reactants and products are [HA] = 0.300 M, H+] = 4.00...
28. An initially 1.8 M aqueous solution of a weak monoprotic acid has a total ion concentration has a total ion concentration of 8.45 x 10-3 M when equilibrium is established. What is the acid-ionization constant, K of the weak acid? (assume n a. 3.3 x 10-2 b. 6.8 x 10-2 c. 1 x 10-5 d. 7.1 x 10-5 e. 2.7 x 100
A. What is the pH of an aqueous solution with a hydrogen ion concentration of H 20 x 10-'M? pH = B. What is the hydroxide ion concentration, OH"), in an aqueous solution with a hydrogen ion concentration of (H) = 2.0 x 10-'M? [OH-] = C. A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) H(aq) + A+ (aq) 3.00 x 10-M, and The equilibrium concentrations of the reactants and products are (HA) = 0.140...
please help me with these questions!
At a concentration of 1 M, the weak acid HNO, is 2% ionized, and the pH of the solution is 1.7. What happens when KNO,() is dissolved into the solution? The extent of HNO, ionization The concentration of H+ The pH If a buffer solution is 0.260 M in a weak acid (K, = 6.0 x 10 ) and 0.500 M in its conjugate base, what is the pH? A 0.194 g sample of...
K.- b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with (H) - 27 x 10" M. K,
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....
Module 10 Homework Refer to the table at the beginning of the section for K. and K. values. 77 x 10-M Ba(OH), solution? What is the 1. What is the H.O ion concentration pH? 2. Calculate the OH ion concentration of a 6.2 x 10' M HNO, solution. 3. Calculate the pH of an aqueous solution containing 6.02 x 10 H,O' ions per liter. 4. Calculate the pH of a 1.2 M HCN solution. K.-4.9 x 100 for HCN 5....
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