Overview
Watch
Read
Next Steps
Watch
Intro to Ka and Kb calculations for weak acid and base pH
📝 My Notes
Auto-saves the current timestamp
Intro to Ka and Kb calculations for weak acid and base pH
10:22
About this lesson
Applying the Ka expression
Weak acids/bases at equilibrium.
Key Moments
No key moments available.
Video 1 of 7
Intro to Ka and Kb calculations for weak acid and base pH
10 min
• Selected
Key assumptions for simplifying Ka calculations
6 min
Solving for pH of a weak acid and checking the 5% assumption
7 min
Finding pH of a weak base using Ka and Kb relationship
9 min
Finding pH and percent dissociation of 0.5 M ethanoic acid
4 min
Finding pH of a weak base (ammonia) using Kb
6 min
Finding initial concentration of carbonic acid from pH using Ka
5 min