in methanol into a 10 mL reaction flask. Add 0.35 mL of dry methanol and 0.22 mL of 2-
bromoheptane. Put a magnetic stirring bar into the flask. Fit a condenser to the flask, then fit a
drying tube containing calcium chloride on top of the condenser. While stirring magnetically, put
the flask into a hot sand bath and heat the mixture under reflux for 30 min.
Solution
go through this links it may helps you
1)http://www.bgsu.edu/departments/chem/faculty/kinstle/lab2instr.pdf
2)www.lavcchem212.com/files/212LM.PDF