Consider the following equilibrium for nitrous acid, HNO2, a weak acid:
HNO2 (aq) + H2O (l) <--------------> H3O+ (aq) + NO2-
In which direction will the equilibrium shift if
a) NaOH is added?
b) NaNO2 is added?
c) HCl is added?
d) The acid solution is made more dilute?
Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2 (aq) + H2O (l)...
explain why please 3. Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO3(aq) +H2O(l) — H30*(aq) + NO2 (aq) In which direction will the equilibrium shift if -a. NaOH is added? right diplllspintado 2102 b. NaNO, is added? Shift to Wt to cleanace NO2 - C. HCI is added? Just d. The acid solution is made more dilute? OM assumen d ie da .
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) + H30+(aq) • What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) +H30+(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
Find the pH of a 0.200 M HNO2 solution. -Remember that this is a weak acid. HNO2 (aq) + H2O (l) = H3O+ (aq) + NO2- (aq)
Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when HNO2 and C5H5N are dissolved in water? Check all that apply A. H2NO2+ B. NO2- C. NO2+ D. C5H4N- E. C5H5NH+ F. C5H5NH- Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when the salt C5H5NHNO2 dissolves in water? Check all that apply A. HNO2 B. C5H5N C. NO2- D. C5H5NH+ E. HNO2+ F....
Reaction of nitrous acid in water: HNO2(??) + H2O(?) ⇌ H3O+(??) + NO-(??). The ?a at 25°C is 5.2×10^-4 M Calculate the value of the equilibrium constant at 25°C for the reaction: HNO2 (??) + OH-(??) ⇌ H3O+(?) + NO-(??)
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
You have found the following: HNO2(aq) + H2O(l) <=> H3O+(aq) + NO2-(aq) K = (4.611x10^-4) What is the value of K for the following reaction? H3O+(aq) + NO2-(aq) <=> HNO2(aq) + H2O(l)
The equilibrium constant for the equation HNO3(aq) + H2O(l) = H, 0+ (aq) + NO2 (aq) is Kg = 5.6 x 10-4 M at 25.0 °C. Calculate the value of AGixn at 25.0 °C for nitrous acid when [NO2] = [H3O+] = [HNO2] = 1.00 M. AGixn = kJ/mol Will the acid spontaneously dissociate under these conditions? O no O yes Calculate the value of AGrxn for nitrous acid when [NO, ] = [H,O+] = 7.13 x 10- M and...
What is the net ionic equation for the following molecular equation? Nitrous acid,HNO2 , is a molecular substance and a weak electrolyte. HNO2(Aq)+KOH(aq)----> KNO2(aq)+H2o(l)