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12. Determine the pH of a 3.0 M solution of a weak base at 25.0°C if...
41. What is the pH of a 0.128 M solution of the weak base B if AH° = -28.0 kJ and AS° = -175 J/K for the following equilibrium reaction at 25°C? B(aq) + H2O(1) 5 BH(aq) + OH (aq) pH =
2. The pH of a 1.53 M solution of a weak base B is measured to be 10.74 Determine Kb of the base Determine K, of the weak bases's conjugate acid, HB* Determine (H+] in a 2.00 M solution of the chloride salt, HBCI Determine the pH of a 2.00 M solution of the chloride salt, HBCI
1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown weak base is 4.7 x 10−6. 2) An unknown weak acid solution with a concentration of 0.0850 M has a pH of 4.35. What is the Ka for this weak acid? 3) What is the pH of a 0.0380 M solution of HNO2? (Use your workbook to find Ka) 4) An unknown weak base solution with a concentration of 0.187 M has a pH...
A student makes a 0.371 M solution of a weak base (B:) that has a pH of 8.29. Determine the K, for this base. Preview Kp-
2. The pH of a 2.18 M solution of a weak base B is measured to be 11.74 Determine Kb of the base 1.39E-5 correct 0.6/1 (sfig err) Determine K of the weak bases's conjugate acid, HB 7.19E-10 correct 0.6/1 (sfig err) Determine [*] in a 2.00 M solution of the chloride salt, HBCI 0.0000119 M incorrect 0/1 Determine the pH of a 2.00 M solution of the chloride salt, HBCI 4.92 incorrect 0/1
1. Calculate the pH at 25°C of a 0.757 M solution of a weak acid that has Ka = 9.28 x 10 2. Determine the Kb of a weak base if a 2.50 M solution of the base has a pH of 9.595 at 25°C. 3. The overall dissociation of malonic acid, H2C3H2O4, is represented below. The overall dissociation constant is also indicated. H2C3H204 = 2 H+ + C3H2042- K = 3.0 x 10-9 To a 0.025-molar solution of malonic...
A 0.135 M solution of a weak base has a pH of 11.26. Determine Kb for the base.
2. The pH of a 1.79 M solution of a weak base B is measured to be 11.64 Determine Kb of the base Determine Ka of the weak bases's conjugate acid, HB+ Determine [H+] in a 2.00 M solution of the chloride salt, HBCl M Determine the pH of a 2.00 M solution of the chloride salt, HBCl
A 0.314 M solution of a weak base has a pH of 10.70. What is the base hydrolysis constant, K, for the weak base? Kb =
9.34 correct 1/1 2. The pH of a 1.66 M solution of a weak base B is measured to be 10.51 Determine Kb of the base no answer given 0/1 Determine K, of the weak bases's conjugate acid, HB no answer given 0/1 Determine [H*] in a 2.00 M solution of the chloride salt, HBCI M no answer given 0/1 Determine the pH of a 2.00 M solution of the chloride salt, HBCI no answer given 0/1 Your grade will...