Which of the following solutions is the most basic? (a) 0.6 M NH3, (b) 0.150 M KOH, (c) 0.100 M Ba(OH)2. Explain.

Answer 1

1. Write the equation with water and balanced.
2. Set up an ICE chart for each.
3. Substitute into the Kb expression for the weak bases and calculate OH^-, then compare.
Post your work if you get stuck.