Question- 1) A 0.125M solution of a weak base has a pH of 11.28.Determine Kb for the base.
2) If Kb for NX3 is 4.0×10^?6, what is the pOH of a 0.175 M aqueous solution of NX3?
3) If Kb for NX3 is 4.0×10?6, what is the percent ionization of a 0.325M aqueous solution of NX3?
Provide your answer in scientific notation