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Question 13 (0.5 points) Saved What is the pH of a 0.24 M...
2. What is the pH of a 0.36 M solution of sodium propionate, NaC3H302, at 25°C?...
2. What is the pH of a 0.36 M solution of sodium propionate, NaC3H302, at 25°C? (For propionic acid, HC2H502, Ka=1.3 10-5 at 25°C.) a. 9.22 b. 6.14 c. 4.78 d. 7.86 e. 11.10
What is the pH of a 1 L solution containing 0.5 mol of propionic acid and...
What is the pH of a 1 L solution containing 0.5 mol of propionic acid and 0.4 mol of sodium propionate? Ka for propionic acid = 1.3 x 10-5. Select one: O a. 4.8 O b. -1.3 C. 1.3 O d. -5.0 e. 5.0 O O O
What is the pH of a 0.28 M solution of sodium propionate, NaC3H5O2, at 25°C? (propionic...
What is the pH of a 0.28 M solution of sodium propionate, NaC3H5O2, at 25°C? (propionic acid, HC3H502, is monoprotic and has a Ka = 1.3 x 10-5 at 25°C.. Kw = 1.01 x 10-14)
QUESTION 3 What is the pH of a 0.3 M solution of sodium propionate, NaC3H502, at...
QUESTION 3 What is the pH of a 0.3 M solution of sodium propionate, NaC3H502, at 25°C? (For propionic acid, HC3H502, Ko - 1.8 x 10-5 at 25°C) 02.9.11 1.5.44 c 10.08 0.8.45 . 8.67
eda 17, what is the pOH ofa 0.0077 M KOH solution? A. 9.13 B. None of...
eda 17, what is the pOH ofa 0.0077 M KOH solution? A. 9.13 B. None of these choices is correct. ROK C. 11.89 D. 4.87 18. What is the [O1I] for a solution at 25°C that has [Hs0]- 1.22 x 103 M? A. 8.20E-5 M B. 8.20E-12 M C. 1.22E-11 M D. None of these choices is correct. E. 1.22E-17 M 19. What is the pH of a 0.30 M solution of NHC1? [Kb(NHs) 1.8 x 10-1 A. 4.63 B....
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of...
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of 0.1 M NaNO2 and 0.1 M HNO2, what will be the pH of the resultant solution? Assume that volumes are additive. Ka for HNO2 = 7.1x10-4. 21. At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and 0.36 M NH4Cl. What is the pH of the solution after the addition of the base?...
QUESTION 14 What is the pH of a solution that is 0.1 Min acetic acid, HC2H302,...
QUESTION 14 What is the pH of a solution that is 0.1 Min acetic acid, HC2H302, and 0.3 Min sodium acetate, NaC2H302, at 25°C? Ko of acetic acid is 1.8 x 10-5 25.23 1.53 Oc 4.74 d. 2.29 6.08
what are the correct answers? Question 4 (1 point) Saved How many equivalents of NaOH base would you expect to add to phosphoric acid when adjusting the pH to 6.82 ? Hint: pKa values are in the...
what are the correct answers?
Question 4 (1 point) Saved How many equivalents of NaOH base would you expect to add to phosphoric acid when adjusting the pH to 6.82 ? Hint: pKa values are in the notes 0.5 1.5 2.5 o 1.0 2.0 Question 6 (1 point) Citric acid is a triprotic acid with three carboxylic acid groups having pK,values of 3.1,4.8, and 64. If a solution of citric acid has a predominantly means greater then 50% pH of...
please answer all parts of the question Question 13 (18 points) A 25.00mL aliquot of 0.376...
please answer all parts of the question
Question 13 (18 points) A 25.00mL aliquot of 0.376 M butanoic acid is titrated with 0.436 M sodium hydroxide. a Write an equation for the neutralization reaction that is occurring. (1 point) Calculate the initial pH of the acid solution before the titration begins (3 points) Calculate the volume of base solution that is required to reach the equivalence point (3 points) Calculate the pH at the equivalence point (3 points) Calculate the...
Question 13 6 points What is the pH of a 5.32 x 10-5 M HNO3? Write...
Question 13 6 points What is the pH of a 5.32 x 10-5 M HNO3? Write your answer in decimal format with 3 digits after the decimal place. pH- Question 20 of 27 Gestion 20 6 points What is the pH of a 0.397 M solution of this weak monoprotic acid, HC9H7027The Ka of HC3H702 is 4.91 x 10-5. Write your answer in decimal format with 3 digits after the decimal place. pH-
2. What is the pH of a 0.36 M solution of sodium propionate, NaC3H302, at 25°C? (For propionic acid, HC2H502, Ka=1.3 10-5 at 25°C.) a. 9.22 b. 6.14 c. 4.78 d. 7.86 e. 11.10
What is the pH of a 1 L solution containing 0.5 mol of propionic acid and 0.4 mol of sodium propionate? Ka for propionic acid = 1.3 x 10-5. Select one: O a. 4.8 O b. -1.3 C. 1.3 O d. -5.0 e. 5.0 O O O
What is the pH of a 0.28 M solution of sodium propionate, NaC3H5O2, at 25°C? (propionic acid, HC3H502, is monoprotic and has a Ka = 1.3 x 10-5 at 25°C.. Kw = 1.01 x 10-14)
QUESTION 3 What is the pH of a 0.3 M solution of sodium propionate, NaC3H502, at 25°C? (For propionic acid, HC3H502, Ko - 1.8 x 10-5 at 25°C) 02.9.11 1.5.44 c 10.08 0.8.45 . 8.67
eda 17, what is the pOH ofa 0.0077 M KOH solution? A. 9.13 B. None of these choices is correct. ROK C. 11.89 D. 4.87 18. What is the [O1I] for a solution at 25°C that has [Hs0]- 1.22 x 103 M? A. 8.20E-5 M B. 8.20E-12 M C. 1.22E-11 M D. None of these choices is correct. E. 1.22E-17 M 19. What is the pH of a 0.30 M solution of NHC1? [Kb(NHs) 1.8 x 10-1 A. 4.63 B....
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of 0.1 M NaNO2 and 0.1 M HNO2, what will be the pH of the resultant solution? Assume that volumes are additive. Ka for HNO2 = 7.1x10-4. 21. At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and 0.36 M NH4Cl. What is the pH of the solution after the addition of the base?...
QUESTION 14 What is the pH of a solution that is 0.1 Min acetic acid, HC2H302, and 0.3 Min sodium acetate, NaC2H302, at 25°C? Ko of acetic acid is 1.8 x 10-5 25.23 1.53 Oc 4.74 d. 2.29 6.08
what are the correct answers?
Question 4 (1 point) Saved How many equivalents of NaOH base would you expect to add to phosphoric acid when adjusting the pH to 6.82 ? Hint: pKa values are in the notes 0.5 1.5 2.5 o 1.0 2.0 Question 6 (1 point) Citric acid is a triprotic acid with three carboxylic acid groups having pK,values of 3.1,4.8, and 64. If a solution of citric acid has a predominantly means greater then 50% pH of...
please answer all parts of the question
Question 13 (18 points) A 25.00mL aliquot of 0.376 M butanoic acid is titrated with 0.436 M sodium hydroxide. a Write an equation for the neutralization reaction that is occurring. (1 point) Calculate the initial pH of the acid solution before the titration begins (3 points) Calculate the volume of base solution that is required to reach the equivalence point (3 points) Calculate the pH at the equivalence point (3 points) Calculate the...
Question 13 6 points What is the pH of a 5.32 x 10-5 M HNO3? Write your answer in decimal format with 3 digits after the decimal place. pH- Question 20 of 27 Gestion 20 6 points What is the pH of a 0.397 M solution of this weak monoprotic acid, HC9H7027The Ka of HC3H702 is 4.91 x 10-5. Write your answer in decimal format with 3 digits after the decimal place. pH-
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