A 0.174-M aqueous solution of a weak acid has a pH of 2.24. Calculate K, for...
A 0.25 M aqueous solution of a weak monoprotic acid has a pH of 3.37. Calculate the Ka of this weak acid.
A 0.228-M aqueous solution of a weak acid has a pH of 4.61. Calculate Ka for the acid.
A 0.165-M aqueous solution of a weak acid has a pH of 2.59. Calculate Ka for the acid. Ka =
A 0.134-M aqueous solution of a weak acid has a pH of 4.8. Calculate Ka for the acid. Ka =?
Calculate the pH of a 0.100 M aqueous solution of the weak acid HCHO2 (Ka = 1.80E-04)
Calculate the pH of a 0.0167 M aqueous solution of formic acid (HCOOH, K, = 1.8x10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH [HCOOH)equilibrium [HCOO equilibrium
Calculate the pH of a 0.408 M aqueous solution of nitrous acid (HNO,, K, -4.5x 10-4) and the equilibrium concentrations of the weak acid and its conjugate base. PH [HNO2 lequilibrium = [NO2 lequilibrium =
7) Calculate the K of butinoic acid (margrotis)ifa 0.025 M aqueous solution has a pH of 3.21 a 25°C. 8) trans-cinnamic acid (C.H.Oz; monoprotic) has a K = 3.60 x 10-5 a. Calculate the pH of a 0.020 M aqueous solution of this acid. ON -OSI b. Calculate the percentage of acid dissociated (ie, in the "A" form) in this solution using your calculations in (a). 0.8 Ho CHEM 120B-Activity #3 Acids and Bases Page 5 of 12
4. 16.55 Calculate the pH of an aqueous solution at 25°C that is 0.095 M in hydrocyanic acid (HCN). (K for hydrocyanic acid=4.9 x 1010 Answers TOmTzctu. 10. 16.61 Calculate the Ka of a weak acid if a 0.19-M aqueous solution of the acid has a pH of 4.52 at 25°C Answers 2. 16.71 The pH of a 0.30-M solution of a weak base is 10.66 at 25°C. What is the K of the base? Answers 4. 16.73 Calculate the...
Calculate the K a of a weak acid if a 0.023 M solution of the acid has a pH of 3.83 at 25c