What is a mole and why do we use it

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a. rectant b. product c. supernate

Which method would be best to separate a mixture of sand and gravel