You know that the ionization constant for nitrous acid is 7.1x10^-4 (0.00071) at 25 degrees Celcius. You want to prepare a solution that has a pH=1.53. What should the concentration of the HNO2 be?
You know that the ionization constant for nitrous acid is 7.1x10^-4 (0.00071) at 25 degrees Celcius....
1. A certain amount if nitrous acid is dissolved in water at 25 celcius. At equilibrium, the pH of the solution is 2.33. What is the concentration of H3O+ and NO2-? 2. Calculate the valye if the equilibriym constant at 25 celcisus for the reaction: HNO2+OH- -> H2O + NO2-
If nitrous acid (HNO2) has a Ka 4.0 x10-4 at 25 degrees C, what is the percent dissociation of nitrous acid in a 0.40 M solution?
Calculate the percent ionization of nitrous acid in a solution that is 0.222 M in nitrous acid (HNO2) and 0.278 M in potassium nitrite (KNO2). The acid dissociation constant of nitrous acid is 4.50 × 10-4.
Question 6 4 pts Calculate the percent ionization of a 0.236 M solution of nitrous acid (a weak acid), with a pH of 1.53. Record to the hundredth's place.
A solution of nitrous acid, HNO2 is 6.3x10^-3 M, which is a weak acid with Ka=7.2x10^-4. Calculate: [HNO2] [NO2] pH What is the concentration of a nitrous acid solution with a pH of 2.21
The nitrous acid/sodium nitrite conjugate pair has been chosen to prepare a buffer solution. What should the concentration ratio of NO2-/HNO2 be if the desired pH of this buffer is 4.00? (Ka of HNO2 = 4.27 x 10-4)
Nitrous acid, HNO2(aq), has a Ka of 4.5 x 10-4 at 25 °C. What is the pH of a solution that contains 1.0 M KNO2(aq) and 0.50 M HNO2(aq).
You have nitrous acid, HNO2, Ka=4.0 x 10-4 Calculate the pH of the solution and calculate the concentration of HNO2 and its conjugate base in a 0.025 M HNO2 Solution. Please please show all work!
Calculate the percent ionization of nitrous acid in a solution that is 0.125 M in nitrous acid. The acid dissociation constant of nitrous acid is 4.50 ⋅ 10-4. 5.63 ⋅ 10-5 6.00 0.0450 1.36 2.78
the pH of a 0.010 M solution of formic acid, HCOOH, at 25 degrees celcius is 3.78. Calculate Ka for formic acid at this temperature.