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![For calculating the P, eventually want [H0]*. So determine the Ka of NH3 from Kb. K, K 1x10-14 1.8x10-5 =5.56x10-10 Hydrolysi](http://img.homeworklib.com/questions/3817e530-a25b-11eb-801f-b7f9e8d74d01.png?x-oss-process=image/resize,w_560)
![NH4+ + H2O + NH3 + H30+ Calculate [H3O+] using the Ka equation K - NH3][H0]* [NH] _[H,0*7 [NH, ] 5.56 x10-10 [H,0^] - 5.56 [](http://img.homeworklib.com/questions/386e8310-a25b-11eb-bb22-c7bc9278813a.png?x-oss-process=image/resize,w_560)
![Then, pH = -log [H3O+] pH = -log 7.45*10^-5 pH = 4.12](http://img.homeworklib.com/questions/38c3b450-a25b-11eb-91af-5148fb51a37c.png?x-oss-process=image/resize,w_560)
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help solve number 12 plz
Question 12 10 pts What is the pH of 0.1 MNH4Cl...
Question 12 (2 points) ✓ Saved Calculate the pH of a solution labelled 0.73 M ammonia,...
Question 12 (2 points) ✓ Saved Calculate the pH of a solution labelled 0.73 M ammonia, NH3(aq), which is a weak monoprotic base. Kb(NH3) = 1.8 x 10-5. Use the 5% approximation rule. Provide your answer to two places after the decimal. Your Answer: Answers
D Question 7 10 pts It is desired to buffer a solution at pH - 4.30....
D Question 7 10 pts It is desired to buffer a solution at pH - 4.30. What molar ratio of CH3COOH to NaCH3COO should be used? The Ka for CH3COOH is 1.8 x 10-5. 10 pts D | Question 8 How much NH4CI must be added to 2.00 liters of 0.26 M aqueous ammonia to give a solution with pH 8.55? Assume no volume change due to the addition of NH4CI. The Kb of ammonia is 1.8 x 105, and...
Question 12 1 pts Calculate the pH of a solution obtained by mixing 60.79 mL of...
Question 12 1 pts Calculate the pH of a solution obtained by mixing 60.79 mL of 0.11 M CH3COOH with 12.47 mL of 0.12 M NaOH. (K,(CH3COOH) = 1.8 x 10-5) Enter your answer to 2 decimal places. For example, if your answer is pH = 12, enter 12.00
please help Question Completion Status: QUESTION 11 Which one is correct answer for Kb? CN (aq)...
please help
Question Completion Status: QUESTION 11 Which one is correct answer for Kb? CN (aq) + H20 (1) + HCN (aq) + OH- (aq) ОА OB.F (aq) + H20 (1) + HF(aq) + OH-(aq) OC Zn(OH)6 (aq) + H2O(l) — [Zn(OH)5(OH2)]+ e- 2+ HCN(aq) + F(aq) + CN (aq) + HF(aq) E. Both A and B is for Kb Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 12 of the...
Question 12 16 points Use the drop down to indicate if the solution of each of...
Question 12 16 points Use the drop down to indicate if the solution of each of the following compounds or ion is acidic, basic, or pH neutral. Note: Ky of HIO = 2.3 x 10-11, Kb of NH3 - 1.8 x 10-5 For H2C6H606: Ka1 = 8.0 x 105, Ka2 = 1,6 x 10-12 FeCl3 is K3PO4 is NHGIO is HC6H606 is
Calculate the pH of a 0.401 M solution of NH4Br (Kb of NH3 = 1.8 x...
Calculate the pH of a 0.401 M solution of NH4Br (Kb of NH3 = 1.8 x 10-5). Enter pH to 2 decimal places.
Please solve in clear line and detailed steps 12 What is the pH of 400.0 ml...
Please solve in clear line and detailed steps
12 What is the pH of 400.0 ml of the buffer solution that contains 0.3M NH.CI and 0.2 M NHs? what is the pH of this after 100 ml, 0.05 M HCI has been added ?Ky-1.8 x 105
I need help with number 14, 15 , and 16 please! I also provided information in order to solve the problem, but I dont k...
I need help with number 14, 15 , and 16 please! I also
provided information in order to solve the problem, but I dont know
how to do that. thank you!
We were unable to transcribe this imageJ. Uly the experimental data for pH and the concentration of the solutions, calculate the k WORK.) Solution Value of K, or kb 0.1 ZnCl2 Ko= 9.0x10-17 0.1 KAI(SO4)2 Kb = 1.44x10-20 0.1 NH4Cl Ka = 3.80 x 10-9 0.1 NaC H302 Ko=...
I need help with number 9 please 9. Using the experimental data for pH and the...
I
need help with number 9 please
9. Using the experimental data for pH and the concentration of the solutions, calculate the K, and Ky for each salt. (SHOW YOUR WORK.) Solution Value of K, or Kb 0.1 ZnCl2 0.1 KAl(SO4)2 0.1 NHACI 0.1 NaC2H302 Value of K, or Kb Solution 0.1 Na2CO3 Part B. Buffer solutions and pH 10. Mass of NaC2H307-3H203.316 11. Measured pH of original buffer solution 4 0 12. Measured pH of buffer + HCI_4.2 13....
What is the pH of a .62 M [C5H5NH]NO3 solution? Kb(C5H5N) = 1.7 x 10-9 Kb(NH3)...
What is the pH of a .62 M [C5H5NH]NO3 solution? Kb(C5H5N) = 1.7 x 10-9 Kb(NH3) = 1.8 x 10-5
Question 12 (2 points) ✓ Saved Calculate the pH of a solution labelled 0.73 M ammonia, NH3(aq), which is a weak monoprotic base. Kb(NH3) = 1.8 x 10-5. Use the 5% approximation rule. Provide your answer to two places after the decimal. Your Answer: Answers
D Question 7 10 pts It is desired to buffer a solution at pH - 4.30. What molar ratio of CH3COOH to NaCH3COO should be used? The Ka for CH3COOH is 1.8 x 10-5. 10 pts D | Question 8 How much NH4CI must be added to 2.00 liters of 0.26 M aqueous ammonia to give a solution with pH 8.55? Assume no volume change due to the addition of NH4CI. The Kb of ammonia is 1.8 x 105, and...
Question 12 1 pts Calculate the pH of a solution obtained by mixing 60.79 mL of 0.11 M CH3COOH with 12.47 mL of 0.12 M NaOH. (K,(CH3COOH) = 1.8 x 10-5) Enter your answer to 2 decimal places. For example, if your answer is pH = 12, enter 12.00
please help
Question Completion Status: QUESTION 11 Which one is correct answer for Kb? CN (aq) + H20 (1) + HCN (aq) + OH- (aq) ОА OB.F (aq) + H20 (1) + HF(aq) + OH-(aq) OC Zn(OH)6 (aq) + H2O(l) — [Zn(OH)5(OH2)]+ e- 2+ HCN(aq) + F(aq) + CN (aq) + HF(aq) E. Both A and B is for Kb Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 12 of the...
Question 12 16 points Use the drop down to indicate if the solution of each of the following compounds or ion is acidic, basic, or pH neutral. Note: Ky of HIO = 2.3 x 10-11, Kb of NH3 - 1.8 x 10-5 For H2C6H606: Ka1 = 8.0 x 105, Ka2 = 1,6 x 10-12 FeCl3 is K3PO4 is NHGIO is HC6H606 is
Please solve in clear line and detailed steps
12 What is the pH of 400.0 ml of the buffer solution that contains 0.3M NH.CI and 0.2 M NHs? what is the pH of this after 100 ml, 0.05 M HCI has been added ?Ky-1.8 x 105
I need help with number 14, 15 , and 16 please! I also
provided information in order to solve the problem, but I dont know
how to do that. thank you!
We were unable to transcribe this imageJ. Uly the experimental data for pH and the concentration of the solutions, calculate the k WORK.) Solution Value of K, or kb 0.1 ZnCl2 Ko= 9.0x10-17 0.1 KAI(SO4)2 Kb = 1.44x10-20 0.1 NH4Cl Ka = 3.80 x 10-9 0.1 NaC H302 Ko=...
I
need help with number 9 please
9. Using the experimental data for pH and the concentration of the solutions, calculate the K, and Ky for each salt. (SHOW YOUR WORK.) Solution Value of K, or Kb 0.1 ZnCl2 0.1 KAl(SO4)2 0.1 NHACI 0.1 NaC2H302 Value of K, or Kb Solution 0.1 Na2CO3 Part B. Buffer solutions and pH 10. Mass of NaC2H307-3H203.316 11. Measured pH of original buffer solution 4 0 12. Measured pH of buffer + HCI_4.2 13....
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