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11&12 please! Question 11 Write the equilibrium expression for a simple acid ionization. (HA (aq) ->...
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN HF NH3 Question 11 Write the equilibrium expression for a simple acid ionization. (HA (aq) -> H+ + A-) (1 point ) * Ka = ([H+][A-])/[HA] Ka = [H+]/[HA] Ka = [H+][A-] None of the above Question 12 Write the equilibrium expression for the following reaction. HF (aq) -> H+ (aq) + F- (aq) (1 point ) * Ka = ([H+][F-])/[HA] Ka = [H+]/[HA]...
13&14 please! Question 13 Write the equilibrium expression for the following reaction. HCIO4 (aq) -> H+ (aq) + CIO4- (aq) (1 point) * O Ka = ([H +][C104-1)/(HC104) O Ka = [H +)/(HC104] O ka = [H+][C104-1 O None of the above Question 14 Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H2O (1) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5) (1 point)* O 1x10^(-14) M O2.7 x10^(-3) M O 7.2 x10^(-6)...
Write a Ka (acid ionization equilibrium constant expression) for HF according to the following equation: HI (aq) <---------> H+ (aq) + I- (aq) Ka =
a. Write the reaction for a monoprotic acid HA with water and its equilibrium constant expression (K) b. Write the reaction for the conjugate base of HA with water and its equilibrium constant expression (Kb) c. Write the reaction for the auto-ionization of water and its equilibrium constant expression (Kw) d. Use the equilibrium expressions for Ka and Ko to prove that K Kb = Kw. What is the physical significance of the KaKb = Kw relationship?
For a generic weak acid HA, the ionization into H+ and A in water is not complete: HA (aq) =H+ (aq) + A (aq) a. Show that the acid dissociation constant of the acid, Ka, can be obtained from the degree of dissociation a using the following formula: a2 Ka 1-a b. The freezing-point depression of a 0.010 m acetic acid solution is 0.0193 K. From this data, what is the acid- dissociation constant K of acetic acid?
Please need help! Thank you! Write the equilibrium expression for the ionization of HOI, and calculate the concentration of HOl(aq) in solution if [H 2.3 x 10 M and Ka 2x 1011 at 25"C
Write the equilibrium constant expression, Ka, for the ionization of acetic acid, HC2H302 U ka ka = [HAC] [H20] [H+] [Ac-] Ore - [HAC] [H+] [Ac-] a = [H+] [Ac-] [HAC] [H20] [H+] [Ac-] ka = ! [HAc]
Write the concentration equilibrium constant expression for this reaction. HF(aq)+H2O(1-F (aq)-H,0 (aq)
Question 12 of 13 > Hint Check Answe A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) + H2O(l) = H, 0+ (aq) + A-(aq) The equilibrium concentrations of the reactants and products are [HA) = 0.160 M, H, 0+) = 4.00 x 10--M, and A = 4.00 x 10-4 M. Calculate the K, value for the acid HA. K = 1
A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) + H2O(1) H2O+(aq) + A-(aq) The equilibrium concentrations of the reactants and products are [HA] = 0.250 M, H,O+] = 2.00 x 10-4 M, and [A-] = 2.00 x 10-4 M. Calculate the Ka value for the acid HA. Ka = 6.79588