90940 demonstrate understanding of mechanics sample paper 2010
Neutralisation and kw
1. Neutralisation
Neutralisation involves producing equal
numbers of H+ and OH- ions.
Neutralisation in aqueous solution is
represented by the equation.
H+(aq) + OH-(aq) H2O(l)
Dissociation of water and Kw
Kw = [H+][OH-] = 10-14