Solution "X" has a concentration of 8%. You make 3, two fold serial dilutions of solution "X". What is the concentration of solution "X" in the final...

Solution "X" has a concentration of 8%. You make 3, two fold serial dilutions of solution "X". What is the concentration of solution "X" in the final dilution?just want to let you know this is not necessarily a chemistry question. the class is immunology and i am in the med lab tech programthank you