What is the pOH of a 2.0 M solution of a formic acid? (Ka= 1.8e^-4)
1. What is the pOH of an aqueous solution of 0.171 M hydrobromic acid? pOH = 2. What is the pH of an aqueous solution of 1.77×10-2 M nitric acid? pH = 3. What is the pOH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pOH = 4. What is the pH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pH = 5. Calculate the pH of a 0.409 M aqueous solution of nitrous acid (HNO2, Ka =...
A solution of formic acid is 1.2% dissociated at 25.0 °C. a) What is the original concentration (in M) of the formic acid solution? The Ka at 25.0 °C for formic acid is 1.8 × 10-4 b) Find the pH and pOH of the solution.
Calculate the pH, pOH, [H3O +] and [OH-] and formic acid (HCOOH) in a 0.0500M formic acid solution (Ka formic acid: 2.1x 10 –4).
Question 4 2 pts If 11 drops of a formic acid (HCOOH) solution are titrated with 10 drops of a 0.12 M NaOH solution, what is the percent ionization of the formic acid solution? (Ka for formic acid 1.78 x 104) 4.0% 1.3% 1.9% @ 2.5% Question 5 2 pts What is the pH of an acetic acid solution if 25 drops are titrated with 44 drops of a 0.45 M KOH solution? (K, for acetic acid 1.8 x 105)...
What is the change in pH from a solution containing 0.523 M of formic acid (Ka = 1.77 x 10-4) vs a solution containing 0.523 M formic acid and 0.496 M Sodium formate? Report your answer to 2 decimal places.
What is the percent ionization of a 0.205 M aqueous solution of formic acid? Ka (HCOOH) = 1.7x10-4
What is the percent ionization of a 0.213 M aqueous solution of formic acid? Ka (HCOOH) = 1.7x10-4
What is the percent ionization in a 0.300 M solution of formic acid (HCOOH) (Ka 1.78 x 10-4)?
What is the hydronium concentration of a 0.0895 M formic acid, HCHO2, solution. Ka (HCHO2) = 1.8 x 10-4
Determine the [H3O+] of a 0.220 M solution of formic acid (Ka=1.8×10−4).