The pH of a 0.230 M solution of a weak base is 9.04. What is the Kb of the base?
Question about ACID/BASE. Equal volumes of 0.230 M weak base (Kb = 4.0× 10–9) and 0.230 M HCl are mixed. Calculate the pH of the resulting solution. Please show all your work.
The pH of a 0.30 M solution of a weak base is 10.82. What is the Kb of the base?
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?
The compound ethylamine is a weak base like ammonia. A solution contains 0.230 M C2H5NH3 and 0.151 M ethylamine, C2H5NH2 The pH of this solution is A solution contains 9.00x10-2 M ammonium bromide and 0.418 M ammonia. The pH of this solution is
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 =
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...
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?
If the Kb of a weak base is 5.4 × 10-6, what is the pH of a 0.25
M solution of this base?
If the Kb of a weak base is 5.4 x 106, what is the pH of a 0.25 M solution of this base? Number
What is the pH of a 0.0425 M-solution of the weak base morpholine, C4H8ONH? Kb for morpholine = 3.105 x E-6
Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb = 1.7 x 10-9). What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ´ 10–5]