IN a previous paper 1, it was reported that a 360-mµ band of picric acid in water was found to shift to the red by about 35 mµ by addition of a concentrated solution of sodium hydroxide. Interaction ...

Sodium hydroxide is added to a cylinder of aluminum nitrate, precipitating out aluminum hydroxide. When additional base is added, the precipitate dissolves. The reactions can then be reversed with the ...

This lab includes a theoretical explanation of how buffers work and how they are made, including a derivation of the Henderson-Hasselbalch equation. Students will use what they have learned to ...