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. Previ...
A student makes a 0.0781 M solution of a weak acid (HA) that has a pH of 4.75. Determine the Ka for this acid. Preview
A 0.771 M solution of a weak base (B:) is made. The solution has a pH of 11.35. Calculate the Kb of this base. Report your answer in scientific notation with 3 sig figs. Preview
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
A buffer solution is 0.151 M in a weak acid, and 0.371 M in its conjugate base. The pKa of the weak acid is 8.025. What is the pH of the buffer? Report your answer with 2 decimal places.
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
A 0.135 M solution of a weak base has a pH of 11.26. Determine Kb for the base.
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 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 =
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 student must make a buffer solution with a pH of 2.00. Determine which weak acid is the best option to make a buffer at the specified pH. O propionic acid, K = 1.34 x 10-6, 3.00 M O sodium bisulfate monohydrate, K = 1.20 x 10,3.00 M acetic acid, K, = 1.75 x 10-6, 5.00 M formic acid, K, = 1.77 x 10 , 2.00 M Determine which conjugate base is the best option to make a buffer at...