Consider a solution of unknown salt having the general formula BHCl, where B is one of the weak bases given?

Question

in table below. A 0.10 M solution of the unknown salt has a pH of 5.87 . What is the actual formula of the salt?

Values of Kb for some common weak bases.
Ammonia 1.8e-5
Methylamine 4.38e-4
Ethylamine 5.6e-4
Aniline 3.8e-10
Pyridine 1.7e-9
Please help me with this problem related to acids and bases
Thanx in advance.

Could someone give me the detailed explanation for this question? Kindly help. Thanx in advance..

Answer 1

Ammonia