A 0.200 M solution of a weak base has a pH of 9.95 . What is the base hydrolysis constant, Kb, for the weak base?
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 =
A weak base has a base hydrolysis constant, Kb, of 2.5 x 10-6. What is the pH of a 0.15 M solution of the weak base? pH =
A weak base has a base hydrolysis constant, Kb, of 2.3 x 10-6. What is the pH of a 0.14 M solution of the weak base? pH =
A weak base has a base hydrolysis constant, Kb, of 3.3 x 10-6. What is the pH of a 0.11 M solution of the weak base? pH =
6. A 0.200 M solution of a weak base in water has a pH = 10.40. Calculate the value of K, for this base a 1.0 x 10 b. 3.2 x 10 c. 2.2 x 10 d. 4.0 x 1011 e. 5.0 x 10 7. The ionization constant, K, for dichloroacetic acid, HC,HO_Cl, is 5.0 x 10? What is the pH of a 0.15 molar solution of this acid? a. 1.06 b. 1.19 c. 1.30 d. 1.56 e. 1.82
Butylamine, , is a weak base. A 0.77 M aqueous solution of butylamine has a pH of 12.20. What is Kb for butylamine? Calculate the pH of a 0.88 M aqueous solution of butylamine. Kb? pH?
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...
The pH of a 0.230 M solution of a weak base is 9.04. What is the Kb of the base?
The pH of a 0.30 M solution of a weak base is 10.82. What is the Kb of the base?
Ephedrine is a weak base. A 0.035 M solution of ephedrine has a pH of 11.33. What is the base ionization constant (Kb) for ephedrine? () 7.8 x 10-10 () 1.5 x 10-9 () 9.8 x 10-5 () 1.4 x 10-4