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o pts) all your work or reasoning M solution of Be(OH)2? Circle the most correct ans...
Please do 1 through 6 1. (5 pts) Which of the following acids is the strongest...
Please do 1
through 6
1. (5 pts) Which of the following acids is the strongest and why? Clearly discuss Sb F-BF OH OH 2. (5 pts) A oh M solution of a new base has a plH of 9. What is the pKs of this base? Clearly show all your work. 3. (5 pts) What is the phi of a 0.01 M solution of Ba(OH)? Circle the correct answer and clearly show all your work or reasoning. a) -0.01...
**Problem 7C should have KOH listed as the solution, not NaOH Please circle the correct answer...
**Problem 7C should have
KOH listed as the solution, not NaOH
Please circle the correct answer and show all work for 7c.
Thanks
7. In a different titration, 50.0 mL of 0.150 M HF (pKa = 3.10) was titrated with a solution of 0.250 M KOH. A. (3 pts) The following figure represents solutions at various stages of the titration. (The K ions and water molecules have been omitted for clarity.) Which drawing corresponds to the region of the titration...
2. The pH of a 0.100 M solution of an acid, HA, is 1.70. Calculate the...
2. The pH of a 0.100 M solution of an acid, HA, is 1.70. Calculate the K? (use ICE) Н А Р НА pH = 1.70 2.Show your work with units and correct significant figures for all questions that involve a calculation 1. Predict the expected pH ( <7, >7, =7) at the endpoint(s) of each of the three titrations. Explain your reasoning. a. Titration of a Strong Acid, HCl, with a Strong Base, NaOH Predicted pH (circle one): (a.)...
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8....
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8. (6 pts) What are the [Hs0'1, (OH], and poH in a solution with a pH of 3.82? 9. (6 pts) What are the [H:0'], [OH], and pH in a solution with a pOH of 11.75? pH = pOH= , [OH'] = POH ' [OH'] = 10. (6 pts) Calculate the [H30, [OH1, and pH a 0.040 M Ba(OH)2 solution. [OH-11- pH=
M. 7. What is true about the pH of a solution with a hydrogen ion concentration...
M. 7. What is true about the pH of a solution with a hydrogen ion concentration of 7.3 x 10 The pH is 3.7 and is acidic. The pH is 8.1 and has excess H in solution. 73000 Bongo C. The pH is 8.1 and has excess OH' in solution. d. The pH is 9.0 and it is basic. e. None of the above answers are correct. A water solution that accumulates CO2 gas will have a tendency to a....
Please show all work. What is the pH of a saturated solution of Fe(OH)2? For Fe(OH)2,...
Please show all work.
What is the pH of a saturated solution of Fe(OH)2? For Fe(OH)2, Ksp-8.0 × 10-16. 5.23 0 4.93 8.77 9.10/ 7.00
please help!! and find the correct answer! 12. Calculate the solubility of Cu(OH)2 in a solution...
please help!! and find the correct answer!
12. Calculate the solubility of Cu(OH)2 in a solution buffered at pH = 8.50. (Ksp = 1.6 10-19) A) 5.7 x 10-10 M B ) 1.6 10-8 M C) 1.6 x 10-2 M. D) 1.8 * 10-7 M E) none of these
Please show all work as need and circle the correct answer. Thanks 6. Maleic acid is...
Please show all work as need
and circle the correct answer. Thanks
6. Maleic acid is a diprotic organic acid with the structure shown below. A titration curve was generated when 75.0 mL of a 0.0125 M maleic acid solution was titrated with NaOH. HOOC COOH PH maleic acid o 80 20 40 60 Volume of NaOH (mL) A. (6 pts) What was the approximate concentration of the NaOH solution? B. (3 pts) What is the approximate pka of maleic...
Question 21 8 pts A solution has a OH-concentration [OH-] = 2.5 x 10-4 M. a....
Question 21 8 pts A solution has a OH-concentration [OH-] = 2.5 x 10-4 M. a. Calculate the hydronium ion [H3O+] concentration in molarity. (Show all your work !!!!!) b. Calculate the pH and tell whether the solution is acidic or basic. (Show all your work !!!!!) 12pt v Paragraph v BI U A Av Tev : Question 20 6 pts Given the following chemical reaction, determine how many moles of HNO3 are reacted to make 22.7 g of H20....
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify...
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify your reasoning and show any calculations to receive credit. 5. Circle the strongest base in the pair: A. CsHsN and NHs and (pyridine and ammonia bases) Justification: B. PO. and AsO. and (phosphate and arsenate) Justification: 6. (10 pts) Calculate Ka of a weak acid given that a 2.3 M HA solution has a pH of 1.55. Ka: 7, (10 pts) Calculate the pH...
Please do 1
through 6
1. (5 pts) Which of the following acids is the strongest and why? Clearly discuss Sb F-BF OH OH 2. (5 pts) A oh M solution of a new base has a plH of 9. What is the pKs of this base? Clearly show all your work. 3. (5 pts) What is the phi of a 0.01 M solution of Ba(OH)? Circle the correct answer and clearly show all your work or reasoning. a) -0.01...
**Problem 7C should have
KOH listed as the solution, not NaOH
Please circle the correct answer and show all work for 7c.
Thanks
7. In a different titration, 50.0 mL of 0.150 M HF (pKa = 3.10) was titrated with a solution of 0.250 M KOH. A. (3 pts) The following figure represents solutions at various stages of the titration. (The K ions and water molecules have been omitted for clarity.) Which drawing corresponds to the region of the titration...
2. The pH of a 0.100 M solution of an acid, HA, is 1.70. Calculate the K? (use ICE) Н А Р НА pH = 1.70 2.Show your work with units and correct significant figures for all questions that involve a calculation 1. Predict the expected pH ( <7, >7, =7) at the endpoint(s) of each of the three titrations. Explain your reasoning. a. Titration of a Strong Acid, HCl, with a Strong Base, NaOH Predicted pH (circle one): (a.)...
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8. (6 pts) What are the [Hs0'1, (OH], and poH in a solution with a pH of 3.82? 9. (6 pts) What are the [H:0'], [OH], and pH in a solution with a pOH of 11.75? pH = pOH= , [OH'] = POH ' [OH'] = 10. (6 pts) Calculate the [H30, [OH1, and pH a 0.040 M Ba(OH)2 solution. [OH-11- pH=
M. 7. What is true about the pH of a solution with a hydrogen ion concentration of 7.3 x 10 The pH is 3.7 and is acidic. The pH is 8.1 and has excess H in solution. 73000 Bongo C. The pH is 8.1 and has excess OH' in solution. d. The pH is 9.0 and it is basic. e. None of the above answers are correct. A water solution that accumulates CO2 gas will have a tendency to a....
Please show all work.
What is the pH of a saturated solution of Fe(OH)2? For Fe(OH)2, Ksp-8.0 × 10-16. 5.23 0 4.93 8.77 9.10/ 7.00
please help!! and find the correct answer!
12. Calculate the solubility of Cu(OH)2 in a solution buffered at pH = 8.50. (Ksp = 1.6 10-19) A) 5.7 x 10-10 M B ) 1.6 10-8 M C) 1.6 x 10-2 M. D) 1.8 * 10-7 M E) none of these
Please show all work as need
and circle the correct answer. Thanks
6. Maleic acid is a diprotic organic acid with the structure shown below. A titration curve was generated when 75.0 mL of a 0.0125 M maleic acid solution was titrated with NaOH. HOOC COOH PH maleic acid o 80 20 40 60 Volume of NaOH (mL) A. (6 pts) What was the approximate concentration of the NaOH solution? B. (3 pts) What is the approximate pka of maleic...
Question 21 8 pts A solution has a OH-concentration [OH-] = 2.5 x 10-4 M. a. Calculate the hydronium ion [H3O+] concentration in molarity. (Show all your work !!!!!) b. Calculate the pH and tell whether the solution is acidic or basic. (Show all your work !!!!!) 12pt v Paragraph v BI U A Av Tev : Question 20 6 pts Given the following chemical reaction, determine how many moles of HNO3 are reacted to make 22.7 g of H20....
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify your reasoning and show any calculations to receive credit. 5. Circle the strongest base in the pair: A. CsHsN and NHs and (pyridine and ammonia bases) Justification: B. PO. and AsO. and (phosphate and arsenate) Justification: 6. (10 pts) Calculate Ka of a weak acid given that a 2.3 M HA solution has a pH of 1.55. Ka: 7, (10 pts) Calculate the pH...
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