Jul 30, 2015 - Viva Questions 1. What is a weak acid? Weak acid is a weak electrolyte, which ionises incompletely in aqueous solution. 2. What is PKa of a weak acid? PKa is a modern method of expressing the strength of weak of acids. It is mathematic
acid dissociation constant, denoted by Ka, is the equilibrium constant for the dissociation of a weak acid. According to the Bronsted-Lowry theory of acids and bases ... pH meter. â distilled water. â Pipette of 50 ml. Procedure. First a beaker w