Question

In: Chemistry

A buffer contains 0.10 mol of propionic acid (C2H5COOH) and 0.19 mol of sodium propionate (C2H5COONa)...

A buffer contains 0.10 mol of propionic acid (C2H5COOH) and 0.19 mol of sodium propionate (C2H5COONa) in 1.20 L.

Part A. What is the pH of this buffer?

Part B. What is the pH of the buffer after the addition of 0.02 mol of NaOH?

Part C. What is the pH of the buffer after the addition of 0.02 mol of HI?

Solutions

Expert Solution


Related Solutions

A buffer contains 0.17 mol of propionic acid (C2H5COOH) and 0.21 mol of sodium propionate (C2H5COONa)...
A buffer contains 0.17 mol of propionic acid (C2H5COOH) and 0.21 mol of sodium propionate (C2H5COONa) in 1.20 L. Part A What is the pH of this buffer? Part B What is the pH of the buffer after the addition of 0.02 mol of NaOH? Part C What is the pH of the buffer after the addition of 0.02 mol of HI?
A buffer contains 0.11 mol of propionic acid (C2H5COOH) and 0.17 mol of sodium propionate (C2H5COONa)...
A buffer contains 0.11 mol of propionic acid (C2H5COOH) and 0.17 mol of sodium propionate (C2H5COONa) in 1.20 L. What is the pH of this buffer? What is the pH of the buffer after the addition of 0.02 mol of NaOH? What is the pH of the buffer after the addition of 0.02 mol of HI?
A buffer solution contains 0.33 mol of hypoiodous acid (HIO) and 0.75 mol of sodium hypoiodite...
A buffer solution contains 0.33 mol of hypoiodous acid (HIO) and 0.75 mol of sodium hypoiodite (NaIO) in 4.50 L. The Ka of hypoiodous acid (HIO) is Ka = 2.3e-11. (a) What is the pH of this buffer? pH =   (b) What is the pH of the buffer after the addition of 0.26 mol of NaOH? (assume no volume change) pH =   (c) What is the pH of the original buffer after the addition of 0.08 mol of HI? (assume...
A 500.0 mL buffer solution is 0.10 M in benzoic acid and 0.10 M in sodium...
A 500.0 mL buffer solution is 0.10 M in benzoic acid and 0.10 M in sodium benzoate and has an initial pH of 4.19. What is the pH of the buffer upon addition of 0.020 mol of NaOH?
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations...
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations (Ka is given in Appendix D in the textbook). Ka=1.3*10^-5 Part A 0.250 M . Express your answer using two significant figures. Part B 7.72×10−2 M . Express your answer using two significant figures. Part C 1.92×10−2 M .
A buffer was prepared by adding 1.00 mol of formic acid and 1.00 mol of sodium...
A buffer was prepared by adding 1.00 mol of formic acid and 1.00 mol of sodium formate to 1.00 L of distilled water. A 100.0 mL aliquot of 1.00 M HCl is then added. What is the pH of the resulting buffer solution? (Formic acid pKa=3.74)
A buffer solution contains 0.29 mol of phenol (HC6H5O) and 0.75 mol of sodium phenoxide (NaC6H5O)...
A buffer solution contains 0.29 mol of phenol (HC6H5O) and 0.75 mol of sodium phenoxide (NaC6H5O) in 5.20 L. The Ka of phenol (HC6H5O) is Ka = 1.3e-10. (a) What is the pH of this buffer? pH = ????????????? (b) What is the pH of the buffer after the addition of 0.06 mol of NaOH? (assume no volume change) pH = ???????????? (c) What is the pH of the original buffer after the addition of 0.59 mol of HI? (assume...
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared....
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. A buffered solution resists a change in pH. Calculate the pH when 21.1 mL of 0.031 M HCl is added to 100.0 mL of the above buffer.
A) 1 L of solution contains 0.10 mol Ag+ and 0.10 mol of Ba2+. If a...
A) 1 L of solution contains 0.10 mol Ag+ and 0.10 mol of Ba2+. If a highly concentrated solution of K2CrO4 is added drop by drop, which will precipitate first, Ag2CrO4 or BaCrO4? Ksp for AgCrO4 = 2.0 x 10^-12; Ksp for BaCrO4= 1.2 x 10^-10 B) If the solution in part "A" contains 0.0010 Ag+ and 0.0010 mol of Ba2+ instead, which will precipiate first, Ag2CrO4 or BaCrO4? Answers: A) Ag2CrO4 and B) BaCrO4
A buffer contains 0.150M acetic acid and 0.105M in sodium acetate. a) Calculate the pH of...
A buffer contains 0.150M acetic acid and 0.105M in sodium acetate. a) Calculate the pH of the buffer. b) What is the volume of 6.0M NaOH must be added to raise the pH of 100.0 mL of the buffer by 1.5 pH units? c) Calculate the pH when 2.0 mL of 6.0M is added to 100.0 mL to the buffer. please show work. question is due before 11PM
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT