A weak base, identified as A-, dissolves in water. Which equation best describe the hydrolysis constant of the base?
A. Kb=([OH-(aq)]×[A-(aq)])/[HA](aq);
B. All options are incorrect;
C. Kb=[A-(aq)]/([OH-(aq)]×[HA](aq));
D. Kb=([OH-(aq)]×[HA](aq))/[A-(aq)];