What is the pH of a solution prepared by dissolving 23.63 grams of solid methylamine hydrochloride (CH3NH3Cl) in 1.00 L of 1.10 M methylamine (CH3NH2)? (The Kb for methylamine is 4.40 × 10-4, the molar mass of methylamine hydrochloride is 67.52 g/mol, and the molar mass of methylamine is 31.06 g/mol.)
The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.