What volume of (dm3 3 ) of water will be added to 10dm3 3 of 2.0 mol/dm3 3 HCL acid solution to give a final solution of 0.5 mol/dm3 3 ?

What volume of (dm3 ${}^3$) of water will be added to 10dm3 ${}^3$ of 2.0 mol/dm3 ${}^3$ HCL acid solution to give a final solution of 0.5 mol/dm3 ${}^3$?