Question

A chemist dissolves 0.420 g KOH (a strong base) in water making a total volume of 40.0 mL. The molar mass of KOH is 56.1 g/mol, and Kw = [H⁺][OH^- ] = 1.00 x 10^-14 . Calculate [OH^- ], [H⁺ ], pH, and pOH. (Assume all [OH^- ] comes from the strong base.)

Answer 1