The HP Chromebook CB2L, also referred to as the HP Chromebook 11, was released October 2013. It is the first Chromebook in a series manufactured by HP. This product has previously been recalled due to battery and charging issues.
Irma Keith you are looking for part number Power Adapter Pa-1150-22go. It seems like everybody has them places like this and even on here. So take your pick on whoever is easiest to deal with from your perspective.