A student submerges an 18.0 gram metal sample in water. The density of the metal is known to be 12.5 g/mL. The final volume of water once the metal has been added is 72.0 mL. Calculate the initial volume of the water before the metal was added. 70.6 ml 71.3 ml Not enough information provided. O 73.4 ml O 72.9 ml