Hypoiodous acid, HOI, is a weak acid with Ka = 2.3 x 10–11 . What is the pH of a 5.1 M solution of HOI in water? A) 4.81 B) 4.97 C) 5.12 D) 7.00 E) 8.33
Hypoiodous acid, HOI, is a weak acid with Ka = 2.3 x 10–11 . What is...
3) Hypoiodous acid (HOI) is a weak monoprotic acid, with Ka = 2.3 x 10-". a) What is the value for pH for a 0.0424 M aqueous solution of hypoiodous acid? [12 points) b) 0.0100 moles of NaOH, a strong soluble base, is added to 1.000 L of the above solution of hypoiodous acid. What will be the pH for this new solution? [15 points)
27. Determine the pH of each of the following solutions. (a) 0.354 M hypoiodous acid (weak acid with Ka = 2.3e-11). = _________ (b) 0.156 M carbonic acid (weak acid with Ka = 4.3e-07). = ________ (c) 0.476 M pyridine (weak base with Kb = 1.7e-09). = ________
For HOI, Ka = 2.3 x 10-11 mol/kg in water at 25oC. Find m(H3O+) in a 1.0 x 10-4 mol/kg 25oC aqueous solution of HOI.
Hypoiodous acid (HIO) is a weak acid that dissociates in water as follows: HIO(aq) + H2O(l) equilibrium reaction arrow H3O+(aq) + IO−(aq). A 0.15 M solution of hypoiodous acid has a pH of 5.66. Calculate the acid-dissociation constant (Ka) for this acid.
1. What is the pH of a hypoiodous acid/sodium hypoiodite buffer in which the concentration of the weak acid component is 0.129 M and the concentration of the conjugate base is 0.102 M?Ka=2.3E-11. 2. The pH of a hypoiodous acid/sodium hypoiodite buffer in which the concentration of the weak acid component is 0.140 M and the concentration of the conjugate base is 0.070 M is 10.34. Suppose 0.128 g of solid NaOH are added to 100 mL of this buffer...
please answer both questions
QUESTION 10 What is the equilibrium hydronium ion concentration of an initially 4.5 M solution of hypoiodous acid, HOI, at 25°C (Ka - 2.3 x 10-11)? 1.4 x 10-5 M. 6.1.0 x 10.5M 43.2 10-6 M 72x10-6 M e 1.0~107M QUESTION 11 Which gives an acidic solution when dissolved in water? Na20 NH3 - NH4Br d. NaCN one of these
HA(aq) is a weak acid with a dissociation constant, Ka, of 1.0 x 10-11. What is the pH of a solution 0.055 M in A-(aq)? The temperature is 25oC.
ASAP! What is Ka for the weak acid, HA, if a 0.020 M solution of the acid has a pH of 3.29 at 25ºC? a. 5.1 × 10-2 b. 6.9 × 10-2 c. 2.6 × 10-4 d. 1.3 × 10-5 e. 1.0 × 10-6 What is the conjugate acid of H2PO4–(aq)? a. H3O+ b. H3PO4 c. HPO42– e. PO43–
1.) The Ka of a monoprotic weak acid is 7.93 x 10^-3. What is the percent ionization of a 0.170 M solution of this acid? 2.) Enough of a monoprotic acid is dissolved in water to produce a 0.0141 M solution. The pH of the resulting solution is 2.50. Calculate the Ka for the acid.
Acid/Base Review Questions: 1. HIO is a weak acid with Ka = 2.00 x 10-11. a. Write the formula for the conjugate base. b. Show the reaction for the acid in water. c. Show the reaction for the conjugate base in water. d. Write the K, expression. e. Write the Kb expression. f. Write the product of Ka x Kb. g. Find the pH of the following solutions: i. 0.100 M HIO 0.115 M NaIO Buffer that is 0.100 M...