What is the pH of a 1 L solution containing 0.5 mol of propionic acid and...
A propionic acid buffer solution contains 0.12 mol of propionic acid (HC3H5O2) and 0.10 mol of sodium propionate in 1.00 L . What is the pH of this buffer after .010 mol of NaOH has been added? For propionic acid Ka=1.3x10^-5 a. 4.93 b. 4.89 c. 4.67 d. 5.09 e. 4.81
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONa) in 1.20 L. Ka = 1.3 x 10^-5 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 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...
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)
What is the pH of a 1 L solution containing 2 mol of sodium hydrogen sulfate (NaHSO4)? Ka for hydrogen sulfate = 1 x 10-2. Select one: O a. 0.8 O b. 1.0 6.0 d. 3.0 e. 2.0 ☺
e concentration of propionic acid in the solution? The K, for propionic acid is 1.3 x 105 (for HCaHsO2 from Table 16.1. 16.65 What is the pH of a 0.0 25 M aqueous solution of sodium propionate, NaC3HsO2? What is 4 5
calculate the ph of a buffer system containing 1.00 M propionic acid and 1.00 M potassium propionate after you add 0.200 mole of gaseous HCl to 1.00 L of solution. Ka for propionic acid = 1.35x10^-5
How do pH, propionic acid, and propionate change when HCl, a strong acid solution, with a final concentration of 0.0005 mole/L, is added to the solution containing 10-3 M sodium propionate? HCl is added from a concentrated stock solution, so the volume change is negligible.
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 0.055 M solution of sodium cyanide? The Ka value for hydrocyanic acid is 6.2 x 10-10. Select one: a. 10.08 b. 8.77 c. 10.97 d. 5.23 e. 3.03 What is the pH of a mixture containing 0.33 M HNO2 and 0.20 M NaNO2? (Ka for HNO2 = 4.5 x 10-4) Select one: a. 7.8 b. 3.57 c. 3.13 d. 1.22 e. 3.35 What is the molar solubility of Zn2+ in a solution that is...