olivasm1395 olivasm1395 15-02-2024 Chemistry contestada Kb for NH₃ is 1.8 X 10⁻⁵. What is the pOH of a 0.50 M aqueous solution of NH₄Cl at 25 degree C? 1) 9.22 2) 11.23 3) 11.48 4) 4.78 5) 2.52