Which is the conjugate base of nitrous acid, HNO2?
NO2- |
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NO4+ |
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HNO3 |
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H2NO2 |
The conjugate base of a acid is the acid minus hydrogen.the strong acid completely dissociated in water while the weak acid remain in equilibrium with its conjugate base.so the conjugate base of nitrous acid is NO2-
Which is the conjugate base of nitrous acid, HNO2? NO2- NO4+ HNO3 H2NO2
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....
H2CO3 + NO2- <--> HCO3- + HNO2 Identify the base and conjugate acid, and predict which side of equilibrium is favored.
Write the K, expression for an aqueous solution of nitrous acid , HNO2 : Kg The value of K, for nitrous acid is 4.50x104. What is the value of Kb, for its conjugate base, NO2? Submit Answer K, for nitrous acid, HNO2, is 4.50x10-4. Kfor benzoic acid, CH3COOH, is 6.30x10-5. K, for phenol (a weak acid), CH,OH, is 1.00×10-10. What is the formula for the weakest conjugate base? Submit Answer
Calculate the pH of a 0.383 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH = [HNO2 ]equilibrium = M [NO2- ]equilibrium = M
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 .
The value of Ka for nitrous acid (HNO2) at 25 ∘Cis 4.5×10−4. You may want to reference(Pages 833 - 836) Section19.7 while completing this problem. Part A Write the chemical equation for the equilibrium that corresponds to Ka. Write the chemical equation for the equilibrium that corresponds to . H+(aq)+NO2−(aq)⇌HNO2(aq) HNO2(aq)⇌H+(aq)+NO2−(aq) HNO2(aq)⇌H−(aq)+NO2+(aq) HNO2(aq)+H+(aq)⇌H2NO2+(aq) HNO2(aq)+H−(aq)⇌H2NO2+(aq) Part B Using the value of Ka, calculate ΔG∘ for the dissociation of nitrous acid in aqueous solution. Express your answer using three significant figures. ΔG∘...
What is the Bronsted Acid in the following equation: NO2- +H2O HNO2 + OH- NO2- H2O HNO2 OH- What is the Bronsted base in the following equation: NO2- +H2O HNO2 + OH- NO2- H2O HNO2 OH- What is the conjugate acid in the following equation: NO2- +H2O HNO2 + OH- NO2- H2O HNO2 OH- What is the conjugate base in the following equation: NO2- +H2O HNO2 + OH- NO2- H2O HNO2 OH- What is the Bronsted acid in the following equation:...
Consider a buffer solution whose acid component is nitrous acid, HNO2 a) what is a conjugate base component of this buffer? b) write a reaction that takes place when a small amount of H3O+ is introduced to this buffer solution. c) write a reaction that takes place when a small amount of OH- is introduced to this buffer solution
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
2. Label conjugate acid-base pairs: HNO2(aq) + H2O → H3O+ + NO2 (aq) 3. What will happen to the reaction equilibrium if we increase the pressure in the reaction vessel? H2(g) + 12(e) > 2 HI(g)