Question

Consider the reaction CO3^-2+H2O<==>HCO3^+OH^-. Kb for CO3^-2 is 2.1x10^-4 at 25 Celsius . What is Ka for the HCO3^- ion at 25 Celsius?

Answer 1

wouldn't that be 1/2.1E-4? That's the reverse of the equation.