(cod represented bws a powerful and addictive painkiller is a weak base. its ionization in water can be represented by the equatio cod (aq) +h20 d) a 0.002 m solution of codeine has a ph of 9.63. calculate kb for codeine. codh+ (aq) oh (aq (a) (b) what is the ph of codeine solution prepared by dissolving 0.050 g codeine (mol. mass 299.834 g/mol)y 25.0 ml of water?