Consider the Ka values for the following acids: Cyanic acid, HOCN, 3.5 x 10–4 Formic acid, HCHO2, 1.7 x 10–4 Lactic acid, HC3H5O3, 1.3 x 10–4 Propionic acid, HC3H5O2, 1.3 x 10–5 Benzoic acid, HC7H5O2, 6.3 x 10–5 Which has the strongest conjugate base? a. HOCN b. HCHO2 c. HC3H5O3 d. HC3H5O2 e. HC7H5O2

Q: Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.10 M…

A:

Q: The acid-dissociation constant, Ka, for a particular acid is 4.57 x 10. What is the…

A: We know that,  Ka × Kb =10(-14) Given that, Ka = 4.57 × 10(-3) So,

Q: When 0.075 mol of propionic acid, C2H5CO2H, is dissolved in 400 mL of water, the equilibrium…

A: The concentration of propionic acid and the ions has to be calculated in order to obtain the Ka.

Q: A diprotic acid, H₂A, has acid dissociation constants of K₁₁ = 3.75 x 10 and K₂ = 5.10 × 10-¹¹.…

A: To calculate the concentration of H2A, HA- and A2-, for the following solutions: (a) 0.195 M…

Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 x 10 '. Calculate the pH of…

A: Answer

Q: Arrange the following acids in order of decreasing strength: hydrosulfuric acid (Ka = 1.1 x 10-7)…

A: Given: Ka for different Acids hydrosulfuric acid (Ka = 1.1 x 10-7) boric acid (Ka = 5.8 x 10-10)…

Q: What is the value of Ka of this acid? What is the percent ionization of this acid?

A:

Q: The pH of a 0.45 M solution of a weak acid, HA, is 2.13. What is the value of Ka for the weak acid?

A: Given data,pH=2.13Molarity of HA=0.45

Q: Consider the following reaction. HS- + H2O ↔↔  H2S +  OH- K = 5.09⋅10−35.09⋅10-3…

A:

Q: The acid-dissociation constant for benzoic acid (C6H5COOH) is 6.3×10−5. Part A Calculate the…

A:

Q: Lactic acid 1CH3CH(OH2COOH) has one acidic hydrogen. A 0.10 M solution of lactic acid has a pH of…

A: pH = 2.44 pH = 2.44- log H+ =2.44H+ =10-2.44=0.00363 =3.63×10-3 M

Q: The pH value of the 5L aqueous solution prepared with 6.4 grams of a precious strong acid is 2. So…

A: Given, volume of acid solution = 5L Mass of acid = 6.4 g PH = 2  Molar mass of acid = ?

Q: 7. The ka for acetic acid is 1.0 x 10.5. Is acetic acid a weak or a strong acid?

A: Strong acids completely dissociate in aqueous solution (Ka > 1, pKa < 1).

Q: -7) What is the equilibrium constant for the following reaction HCO₂H(aq) + CN (aq) =HCO₂ (aq) +…

A: 7) Recall the given reaction,                                   HCO2H aq + CN- aq ↔ HCO2- aq + HCN…

Q: For the acid HA, the acid dissociation constant, K, is 1.1 × 105. After 48 mL of 0.9 M N2OH is added…

A: pH is used to determine the concentration of hydronium ion.

Q: Ka

A:

Q: Write an equation for the ionization of hydrogen cyanide, HCN, in aqueous solution. What is the…

A: Ionization of hydrogen cyanide (HCN) in aqueous solution is given by,…

Q: What is the value of Kb, for its conjugate base, C6H5O-?

A:

Q: The pH of a solution of CH3CH₂NH₂ is 12.25 at 25 °C. What was the initial concentration for this…

A: