H20+H20=H30*+0H K,°={c(H,0)/c}×{ce(0H)/c} HB+H2O-H30*+B k8=c9(0)/e0y1eg/c {cea(HB)/c) H2O+H2O=H3O ++OH￾HB+H2O=H3O ++B￾KW θ={c eq(H3O +)/cθ}×{c eq(OH-)/cθ} {c eq (H3 O + )/c } Ka =   {c eq (B - )/c } {c eq (HB)/c }  