26. -10.1 points 0/4 Submissions Used A buffer solution contains 0.10 mol of hydrazoic acid (HN3)...
26. + -/0.1 points 0/4 Submissions Used A buffer solution contains 0.45 mol of benzoic acid (HC7H502) and 0.33 mol of sodium benzoate (NaCzH502) in 3.70 L. The Ka of benzoic acid (HC7H502) is Ka = 6.30-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.31 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the...
26. -/0.1 points 0/4 Submissions Used My Note A buffer solution contains 0.71 mol of hydrogen peroxide (HOOH) and 0.41 mol of sodium hydrogen peroxide (NaOH) in 7.60 L. The Ka of hydrogen peroxide (HOOH) is ka = 2.4e-12. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.36 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer...
A buffer solution contains 0.41 mol of benzoic acid (HC7H5O2) and 0.43 mol of sodium benzoate (NaC7H5O2) in 2.50 L. The Ka of benzoic acid (HC7H5O2) is Ka = 6.3e-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.16 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.05 mol of HI? (assume...
-/0.1 points 33 0/4 Submissions Used (a) Calculate the percent ionization of 0.00720 M carbonic acid (Ka = 4.3e-07). % ionization = % (b) Calculate the percent ionization of 0.00720 M carbonic acid in a solution containing 0.0470 M sodium hydrogen carbonate. % % ionization = Submit Answer + -/0.1 points 34. 0/4 Submissions Used A buffer solution contains 0.76 mol of propionic acid (HC3H502) and 0.30 mol of sodium propionate (NaC3H502) in 7.30 L The Ka of propionic acid...
A buffer solution contains 0.59 mol of ascorbic acid (HC6H7O6) and 0.30 mol of sodium ascorbate (NaC6H7O6) in 3.70 L. The Ka of ascorbic acid (HC6H7O6) is Ka = 8e-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.28 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.11 mol of HI? (assume...
A buffer solution contains 0.76 mol of propionic acid (HC3H5O2) and 0.65 mol of sodium propionate (NaC3H5O2) in 3.40 L. The Ka of propionic acid (HC3H5O2) is Ka = 1.3e-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.18 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.54 mol of HI? (assume...
A buffer solution contains 0.87 mol of hypoiodous acid (HIO) and 0.56 mol of sodium hypoiodite (Nalo) in 2.40 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 0.50 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.49 mol of HI? (assume...
A buffer solution contains 0.58 mol of hydrocyanic acid (HCN) and 0.68 mol of sodium cyanide (NaCN) in 3.00 L. The Ka of hydrocyanic acid (HCN) is Ka = 4.9e-10. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.46 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.23 mol of HI? (assume...
A buffer solution contains 0.89 mol of arsenous acid (H3AsO3) and 0.78 mol of sodium dihydrogen arsenite (NaH2AsO3) in 6.50 L. The Ka of arsenous acid (H3AsO3) is Ka = 5.1e-10. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.45 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?...
A buffer solution contains 0.38 mol of arsenous acid (H3AsO3) and 0.90 mol of sodium dihydrogen arsenite (NaH2AsO3) in 5.80 L. The Ka of arsenous acid (H3AsO3) is Ka = 5.1e-10. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.27 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.67 mol of HI?...