lab report

Please according to my documents that I post and my data write an introduction (half page), Materials and methods, and conclusion (half page). 

the introduction must be including 1.talk about spectrophotometry

                                                  2.talk about spectrophotometer

                                                  3.talk about beer law

                                                  4.give beer law equation

                                                  5.talk about the purpose of the exp 

materials and methods

refer to the purpose pages in the lab, write in your own words

need a note for any changes

conclusion  (just use the third person）

talk about graph 1

talk about graph2-5

talk about the unknown

introduction and conclusion must half or one page