Derek needs a tool that delivers 5.00 ml of a sodium hydroxide solution. which tool would be best for him to use

Because 5.00 mL is a small amount, the best tool he could use is a pipette. 

Pipette or sometimes spelled as pipet can be used to transport liquid samples. It is made out of glass or plastic and can is usually used to transfer measured volumes of liquid from one container to another. Before the pipette was invented, scientists used to use straws and they would suck in the samples carefully. 

Answer earth,water,fire and air;