Unformatted text preview: occasionally with glass rod. Leave to react for 30 minutes. 3. Repeat drying procedure. Collect and dispose of waster chemicals. 4. Place cotton balls in 100mL piperazine solution at room temperature. Leave to react for 1.5 to 2 hours. 5. Repeat drying procedure 2 times and submit the cotton balls in a command beaker....
View Full Document
- Spring '08
- Chemistry, Sodium chloride, Sodium hydroxide, Buchner, cotton balls